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Disponibile in 38 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-38" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">38 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%88%D9%82%D9%8A%D8%AA_%D8%B0%D8%B1%D9%8A_%D8%B9%D8%A7%D9%84%D9%85%D9%8A" title="توقيت ذري عالمي - arabo" lang="ar" hreflang="ar" data-title="توقيت ذري عالمي" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Atom_vaxt%C4%B1" title="Atom vaxtı - azerbaigiano" lang="az" hreflang="az" data-title="Atom vaxtı" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D1%96%D0%B6%D0%BD%D0%B0%D1%80%D0%BE%D0%B4%D0%BD%D1%8B_%D0%B0%D1%82%D0%B0%D0%BC%D0%BD%D1%8B_%D1%87%D0%B0%D1%81" title="Міжнародны атамны час - bielorusso" lang="be" hreflang="be" data-title="Міжнародны атамны час" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9C%D1%96%D0%B6%D0%BD%D0%B0%D1%80%D0%BE%D0%B4%D0%BD%D1%8B_%D0%B0%D1%82%D0%B0%D0%BC%D0%BD%D1%8B_%D1%87%D0%B0%D1%81" title="Міжнародны атамны час - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Міжнародны атамны час" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Me%C4%91unarodno_atomsko_vrijeme" title="Međunarodno atomsko vrijeme - bosniaco" lang="bs" hreflang="bs" data-title="Međunarodno atomsko vrijeme" data-language-autonym="Bosanski" data-language-local-name="bosniaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Temps_at%C3%B2mic_internacional" title="Temps atòmic internacional - catalano" lang="ca" hreflang="ca" data-title="Temps atòmic internacional" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Mezin%C3%A1rodn%C3%AD_atomov%C3%BD_%C4%8Das" title="Mezinárodní atomový čas - ceco" lang="cs" hreflang="cs" data-title="Mezinárodní atomový čas" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Internationale_Atomzeit" title="Internationale Atomzeit - tedesco" lang="de" hreflang="de" data-title="Internationale Atomzeit" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/International_Atomic_Time" title="International Atomic Time - inglese" lang="en" hreflang="en" data-title="International Atomic Time" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Tempo_atoma_internacia" title="Tempo atoma internacia - esperanto" lang="eo" hreflang="eo" data-title="Tempo atoma internacia" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tiempo_At%C3%B3mico_Internacional" title="Tiempo Atómico Internacional - spagnolo" lang="es" hreflang="es" data-title="Tiempo Atómico Internacional" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Rahvusvaheline_aatomiaeg" title="Rahvusvaheline aatomiaeg - estone" lang="et" hreflang="et" data-title="Rahvusvaheline aatomiaeg" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B2%D9%85%D8%A7%D9%86_%D8%A8%DB%8C%D9%86%E2%80%8C%D8%A7%D9%84%D9%85%D9%84%D9%84%DB%8C_%D8%A7%D8%AA%D9%85%DB%8C" title="زمان بین‌المللی اتمی - persiano" lang="fa" hreflang="fa" data-title="زمان بین‌المللی اتمی" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Temps_atomique_international" title="Temps atomique international - francese" lang="fr" hreflang="fr" data-title="Temps atomique international" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%96%D7%9E%D7%9F_%D7%94%D7%90%D7%98%D7%95%D7%9E%D7%99_%D7%94%D7%91%D7%99%D7%9F-%D7%9C%D7%90%D7%95%D7%9E%D7%99" title="הזמן האטומי הבין-לאומי - ebraico" lang="he" hreflang="he" data-title="הזמן האטומי הבין-לאומי" data-language-autonym="עברית" data-language-local-name="ebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%85%E0%A4%A8%E0%A5%8D%E0%A4%A4%E0%A4%B0%E0%A4%B0%E0%A4%BE%E0%A4%B7%E0%A5%8D%E0%A4%9F%E0%A5%8D%E0%A4%B0%E0%A5%80%E0%A4%AF_%E0%A4%AA%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A5%8D%E0%A4%B5%E0%A4%BF%E0%A4%95_%E0%A4%95%E0%A4%BE%E0%A4%B2" title="अन्तरराष्ट्रीय परमाण्विक काल - hindi" lang="hi" hreflang="hi" data-title="अन्तरराष्ट्रीय परमाण्विक काल" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Me%C4%91unarodno_atomsko_vrijeme" title="Međunarodno atomsko vrijeme - croato" lang="hr" hreflang="hr" data-title="Međunarodno atomsko vrijeme" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Nemzetk%C3%B6zi_atomid%C5%91" title="Nemzetközi atomidő - ungherese" lang="hu" hreflang="hu" data-title="Nemzetközi atomidő" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Waktu_Atom_Internasional" title="Waktu Atom Internasional - indonesiano" lang="id" hreflang="id" data-title="Waktu Atom Internasional" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9B%BD%E9%9A%9B%E5%8E%9F%E5%AD%90%E6%99%82" title="国際原子時 - giapponese" lang="ja" hreflang="ja" data-title="国際原子時" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B5%AD%EC%A0%9C%EC%9B%90%EC%9E%90%EC%8B%9C" title="국제원자시 - coreano" lang="ko" hreflang="ko" data-title="국제원자시" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Tempus_Atomicum_Inter_Gentes" title="Tempus Atomicum Inter Gentes - latino" lang="la" hreflang="la" data-title="Tempus Atomicum Inter Gentes" data-language-autonym="Latina" data-language-local-name="latino" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/International_Atomz%C3%A4it" title="International Atomzäit - lussemburghese" lang="lb" hreflang="lb" data-title="International Atomzäit" data-language-autonym="Lëtzebuergesch" data-language-local-name="lussemburghese" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Atominis_laikas" title="Atominis laikas - lituano" lang="lt" hreflang="lt" data-title="Atominis laikas" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Waktu_Atom_Antarabangsa" title="Waktu Atom Antarabangsa - malese" lang="ms" hreflang="ms" data-title="Waktu Atom Antarabangsa" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Internasjonal_atomtid" title="Internasjonal atomtid - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Internasjonal atomtid" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mi%C4%99dzynarodowy_czas_atomowy" title="Międzynarodowy czas atomowy - polacco" lang="pl" hreflang="pl" data-title="Międzynarodowy czas atomowy" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Tempo_At%C3%B4mico_Internacional" title="Tempo Atômico Internacional - portoghese" lang="pt" hreflang="pt" data-title="Tempo Atômico Internacional" data-language-autonym="Português" data-language-local-name="portoghese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Timpul_atomic_interna%C8%9Bional" title="Timpul atomic internațional - rumeno" lang="ro" hreflang="ro" data-title="Timpul atomic internațional" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B6%D0%B4%D1%83%D0%BD%D0%B0%D1%80%D0%BE%D0%B4%D0%BD%D0%BE%D0%B5_%D0%B0%D1%82%D0%BE%D0%BC%D0%BD%D0%BE%D0%B5_%D0%B2%D1%80%D0%B5%D0%BC%D1%8F" title="Международное атомное время - russo" lang="ru" hreflang="ru" data-title="Международное атомное время" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Medzin%C3%A1rodn%C3%BD_at%C3%B3mov%C3%BD_%C4%8Das" title="Medzinárodný atómový čas - slovacco" lang="sk" hreflang="sk" data-title="Medzinárodný atómový čas" data-language-autonym="Slovenčina" data-language-local-name="slovacco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Mednarodni_atomski_%C4%8Das" title="Mednarodni atomski čas - sloveno" lang="sl" hreflang="sl" data-title="Mednarodni atomski čas" data-language-autonym="Slovenščina" data-language-local-name="sloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Internationell_atomtid" title="Internationell atomtid - svedese" lang="sv" hreflang="sv" data-title="Internationell atomtid" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A7%E0%B8%A5%E0%B8%B2%E0%B8%AD%E0%B8%B0%E0%B8%95%E0%B8%AD%E0%B8%A1%E0%B8%A3%E0%B8%B0%E0%B8%AB%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B9%80%E0%B8%97%E0%B8%A8" title="เวลาอะตอมระหว่างประเทศ - thailandese" lang="th" hreflang="th" data-title="เวลาอะตอมระหว่างประเทศ" data-language-autonym="ไทย" data-language-local-name="thailandese" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D1%96%D0%B6%D0%BD%D0%B0%D1%80%D0%BE%D0%B4%D0%BD%D0%B8%D0%B9_%D0%B0%D1%82%D0%BE%D0%BC%D0%BD%D0%B8%D0%B9_%D1%87%D0%B0%D1%81" title="Міжнародний атомний час - ucraino" lang="uk" hreflang="uk" data-title="Міжнародний атомний час" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B9%D8%A7%D9%84%D9%85%DB%8C_%D8%AC%D9%88%DB%81%D8%B1%DB%8C_%D9%88%D9%82%D8%AA" title="عالمی جوہری وقت - urdu" lang="ur" hreflang="ur" data-title="عالمی جوہری وقت" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Th%E1%BB%9Di_gian_Nguy%C3%AAn_t%E1%BB%AD_Qu%E1%BB%91c_t%E1%BA%BF" title="Thời gian Nguyên tử Quốc tế - vietnamita" lang="vi" hreflang="vi" data-title="Thời gian Nguyên tử Quốc tế" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%9C%8B%E9%9A%9B%E5%8E%9F%E5%AD%90%E6%99%82" title="國際原子時 - cinese" lang="zh" hreflang="zh" data-title="國際原子時" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q119395#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</a></span></div> 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class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspetto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Da Wikipedia, l'enciclopedia libera.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="it" dir="ltr"><p>Il <b>Tempo atomico internazionale</b>, identificato anche dall'<a href="/wiki/Acronimo" title="Acronimo">acronimo</a> <b>TAI</b>, è un <a href="/w/index.php?title=Sistema_orario&action=edit&redlink=1" class="new" title="Sistema orario (la pagina non esiste)">sistema orario</a> standard ad alta precisione, descrivibile come «una scala di tempo coordinato definita in un quadro di riferimento <a href="/wiki/Sistema_geocentrico" title="Sistema geocentrico">geocentrico</a> avente come unità di misura il secondo del <a href="/wiki/Sistema_internazionale_di_unit%C3%A0_di_misura" title="Sistema internazionale di unità di misura">Sistema Internazionale</a> quale definito sul <a href="/wiki/Geoide" title="Geoide">geoide</a> in rotazione»<sup id="cite_ref-Guinot_1-0" class="reference"><a href="#cite_note-Guinot-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>. Il <a href="/wiki/Sistema_di_riferimento" title="Sistema di riferimento">sistema di riferimento</a> fu avviato in via sperimentale nel 1955, diventando pienamente operativo e disponibile per l'utilizzo pubblico il 1º gennaio 1958. </p><p>L'alta precisione dei tempi TAI può essere solo misurata per il passato, poiché il <a href="/wiki/Tempo" title="Tempo">tempo</a> è rappresentato dal confronto delle differenze osservate sugli <a href="/wiki/Orologio" title="Orologio">orologi</a> di riferimento mantenuti presso gli istituti di misura di alcuni Paesi. Il tutto avviene sotto la sorveglianza dell'<a href="/wiki/Bureau_international_des_poids_et_mesures" title="Bureau international des poids et mesures">ufficio internazionale dei pesi e delle misure</a>. Tuttavia, gli <a href="/wiki/Orologio_atomico" title="Orologio atomico">orologi atomici</a> sono così accurati che solo le misure di altissima precisione richiedono tale correzione, per cui la maggior parte dei servizi usa orologi atomici che sono stati precedentemente paragonati ai riferimenti. </p> <div class="toccolours noprint" style="width: 310px; float: right; clear: right; margin: 0 0 1em .5em; padding: 8px 6px; position: relative"> <div style="position: absolute; right: 10px; top: 10px"><a href="/wiki/Aiuto:File_multimediali" title="Aiuto:File multimediali">Aiuto</a></div> <div style="margin:0px 4px 2px; padding-right:35px"><b>Tempo coordinato universale</b> (<a href="/wiki/File:Tempo_campione_25_Mhz_stazione_MIKES_-_Finlandia_20141024%E2%80%941240UTC.ogg" title="File:Tempo campione 25 Mhz stazione MIKES - Finlandia 20141024—1240UTC.ogg">info file</a>)</div> <figure class="mw-halign-center" typeof="mw:File"><span><audio id="mwe_player_0" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="300" style="width:300px;" data-durationhint="143" data-mwtitle="Tempo_campione_25_Mhz_stazione_MIKES_-_Finlandia_20141024—1240UTC.ogg" data-mwprovider="wikimediacommons"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/7/7c/Tempo_campione_25_Mhz_stazione_MIKES_-_Finlandia_20141024%E2%80%941240UTC.ogg/Tempo_campione_25_Mhz_stazione_MIKES_-_Finlandia_20141024%E2%80%941240UTC.ogg.mp3" type="audio/mpeg" data-transcodekey="mp3" data-width="0" data-height="0" /><source src="//upload.wikimedia.org/wikipedia/commons/7/7c/Tempo_campione_25_Mhz_stazione_MIKES_-_Finlandia_20141024%E2%80%941240UTC.ogg" type="audio/ogg; codecs="vorbis"" data-width="0" data-height="0" /></audio></span><figcaption>start=</figcaption></figure> <div style="margin:2px 4px 0px"><i>MIKES</i>: segnale irradiato su frequenza standard di 25 MHz</div></div> <p>Il <a href="/wiki/Tempo_coordinato_universale" title="Tempo coordinato universale">tempo coordinato universale</a> (UTC) è la base temporale legale per tutto il mondo e segue il TAI, con uno scarto di un certo numero di <a href="/wiki/Secondo" title="Secondo">secondi</a> (al 31 dicembre 2016, data di inserimento dell'ultimo <a href="/wiki/Secondo_intercalare" title="Secondo intercalare">secondo intercalare</a>, il TAI è 37 <a href="/wiki/Secondo" title="Secondo">secondi</a> avanti rispetto all'<a href="/wiki/UTC" class="mw-redirect" title="UTC">UTC</a>). Tale scarto è inserito su consiglio dell'<a href="/wiki/International_Earth_Rotation_and_Reference_Systems_Service" title="International Earth Rotation and Reference Systems Service">International Earth Rotation and Reference Systems Service</a> (IERS), per fare in modo che, come media sugli anni, il <a href="/wiki/Sole" title="Sole">Sole</a> sia al <a href="/wiki/Meridiano_di_Greenwich" title="Meridiano di Greenwich">meridiano di Greenwich</a> entro 0,9 secondi dalle 12:00:00 UTC. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tempo_atomico_internazionale&veaction=edit&section=1" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tempo_atomico_internazionale&action=edit&section=1" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Guinot-1"><a href="#cite_ref-Guinot_1-0"><b>^</b></a> <span class="reference-text"><cite id="CITEREFGuinot" class="citation pubblicazione" style="font-style:normal"> Bernard Guinot, <a rel="nofollow" class="external text" href="http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1986CeMec..38..155G&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf"><span style="font-style:italic;">Is the International Atomic Time TAI a coordinate time or a proper time?</span></a> (<span style="font-weight: bolder; font-size:80%"><abbr title="documento in formato PDF">PDF</abbr></span>), in <span style="font-style:italic;">Celestial Mechanics</span>, vol. 38, Febbraio 1986, pp. 155-61, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1007%2FBF01230427">10.1007/BF01230427</a>, <a href="/wiki/ISSN" title="ISSN">ISSN</a> 0008-8714<span class="noprint plainlinks"> (<span title="Ricerca su WorldCat"><a rel="nofollow" class="external text" href="http://worldcat.org/issn/0008-8714&lang=it">WC</a></span> · <span title="Ricerca sul Catalogo Italiano dei Periodici"><a rel="nofollow" class="external text" href="https://acnpsearch.unibo.it/search?issn=0008-8714">ACNP</a></span>)</span>.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tempo_atomico_internazionale&veaction=edit&section=2" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tempo_atomico_internazionale&action=edit&section=2" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Tempo" title="Tempo">Tempo</a></li> <li><a href="/wiki/Tempo_coordinato_universale" title="Tempo coordinato universale">Tempo coordinato universale</a></li> <li><a href="/wiki/Orologio_atomico" title="Orologio atomico">Orologio atomico</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tempo_atomico_internazionale&veaction=edit&section=3" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tempo_atomico_internazionale&action=edit&section=3" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li> <li><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.bipm.org/en/bipm-services/timescales/tai.html"><span style="font-style:italic;">Sito ufficiale</span></a>, su <span style="font-style:italic;">bipm.org</span>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q119395#P856" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite id="CITEREFBritannica.com" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.britannica.com/science/International-Atomic-Time"><span style="font-style:italic;">International Atomic Time</span></a>, su <span style="font-style:italic;"><a href="/wiki/Enciclopedia_Britannica" title="Enciclopedia Britannica">Enciclopedia Britannica</a></span>, Encyclopædia Britannica, Inc.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q119395#P1417" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite id="CITEREFFOLDOC" class="citation testo" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) Denis Howe, <span style="font-style:italic;"><a href="https://foldoc.org/International_Atomic_Time" class="extiw" title="foldoc:International Atomic Time">International Atomic Time</a></span>, in <span style="font-style:italic;"><a href="/wiki/Free_On-line_Dictionary_of_Computing" title="Free On-line Dictionary of Computing">Free On-line Dictionary of Computing</a></span>.</cite> Disponibile con licenza <a href="/wiki/GNU_Free_Documentation_License" title="GNU Free Documentation License">GFDL</a></li> <li><a rel="nofollow" class="external text" href="http://www.ipses.com/Approfondimenti/Standard-di-definizione-del-tempo">UTC, GPS, LORAN e TAI</a> - Confronto tra gli standard UTC, GPS, LORAN e TAI.</li></ul> <style data-mw-deduplicate="TemplateStyles:r141815314">.mw-parser-output .navbox{border:1px solid #aaa;clear:both;margin:auto;padding:2px;width:100%}.mw-parser-output .navbox th{padding-left:1em;padding-right:1em;text-align:center}.mw-parser-output .navbox>tbody>tr:first-child>th{background:#ccf;font-size:90%;width:100%;color:var(--color-base,black)}.mw-parser-output .navbox_navbar{float:left;margin:0;padding:0 10px 0 0;text-align:left;width:6em}.mw-parser-output .navbox_title{font-size:110%}.mw-parser-output .navbox_abovebelow{background:#ddf;font-size:90%;font-weight:normal}.mw-parser-output .navbox_group{background:#ddf;font-size:90%;padding:0 10px;white-space:nowrap}.mw-parser-output .navbox_list{font-size:90%;width:100%}.mw-parser-output .navbox_list a{white-space:nowrap}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_odd{background:#fdfdfd;color:var(--color-base,black)}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_even{background:#f7f7f7;color:var(--color-base,black)}.mw-parser-output .navbox a.mw-selflink{color:var(--color-base,black)}.mw-parser-output .navbox_center{text-align:center}.mw-parser-output .navbox .navbox_image{padding-left:7px;vertical-align:middle;width:0}.mw-parser-output .navbox+.navbox{margin-top:-1px}.mw-parser-output .navbox .mw-collapsible-toggle{font-weight:normal;text-align:right;width:7em}body.skin--responsive .mw-parser-output .navbox_image img{max-width:none!important}.mw-parser-output .subnavbox{margin:-3px;width:100%}.mw-parser-output .subnavbox_group{background:#e6e6ff;padding:0 10px}@media screen{html.skin-theme-clientpref-night .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-night .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-night .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-os .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-os .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}</style><table class="navbox mw-collapsible mw-collapsed noprint metadata" id="navbox-Tempo"><tbody><tr><th colspan="3" style="background:#ee9;"><div class="navbox_navbar"><div class="noprint plainlinks" style="background-color:transparent; padding:0; font-size:xx-small; color:var(--color-base, #000000); white-space:nowrap;"><a href="/wiki/Template:Tempo" title="Template:Tempo"><span title="Vai alla pagina del template">V</span></a> · <a href="/w/index.php?title=Discussioni_template:Tempo&action=edit&redlink=1" class="new" title="Discussioni template:Tempo (la pagina non esiste)"><span title="Discuti del template">D</span></a> · <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Template:Tempo&action=edit"><span title="Modifica il template. Usa l'anteprima prima di salvare">M</span></a></div></div><span class="navbox_title"><a href="/wiki/Tempo" title="Tempo">Tempo</a></span></th></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Concetti principali</th><td colspan="1" class="navbox_list navbox_odd"><a href="/wiki/Tempo" title="Tempo">Tempo</a><b> ·</b> <a href="/wiki/Eternit%C3%A0" title="Eternità">Eternità</a><b> ·</b> <a href="/wiki/Immortalit%C3%A0" title="Immortalità">Immortalità</a><br /> <a href="/wiki/Tempo_profondo" title="Tempo profondo">Tempo profondo</a><b> ·</b> <a href="/wiki/Storia" title="Storia">Storia</a><b> ·</b> <a href="/wiki/Passato" title="Passato">Passato</a><b> ·</b> <a href="/wiki/Presente" title="Presente">Presente</a><b> ·</b> <a href="/wiki/Futuro" title="Futuro">Futuro</a><b> ·</b> <a href="/wiki/Futurologia" title="Futurologia">Futurologia</a><br /></td><td rowspan="10" class="navbox_image"><span typeof="mw:File"><a href="/wiki/File:Chronos_Saturnus_-_De_Sphaera.png" 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//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/152px-Wooden_hourglass_3.jpg 2x" data-file-width="967" data-file-height="1959" /></a></span></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Misure e standard</th><td colspan="1" class="navbox_list navbox_even"><a href="/w/index.php?title=Cronometria&action=edit&redlink=1" class="new" title="Cronometria (la pagina non esiste)">Cronometria</a><b> ·</b> <a href="/wiki/Tempo_coordinato_universale" title="Tempo coordinato universale">UTC</a><b> ·</b> <a href="/wiki/Tempo_universale" title="Tempo universale">UT</a><b> ·</b> <a class="mw-selflink selflink">TAI</a><b> ·</b> <a href="/wiki/Secondo" title="Secondo">Secondo</a><b> ·</b> <a href="/wiki/Minuto" title="Minuto">Minuto</a><b> ·</b> <a href="/wiki/Ora" title="Ora">ora</a><b> ·</b> <a href="/wiki/Tempo_siderale" title="Tempo siderale">Tempo siderale</a><b> ·</b> <a href="/wiki/Tempo_solare" title="Tempo solare">Tempo solare</a><b> ·</b> <a href="/wiki/Fuso_orario" title="Fuso orario">Fuso orario</a><br /> <p><a href="/wiki/Orologio" title="Orologio">Orologio</a><b> ·</b> <a href="/wiki/Orologeria" title="Orologeria">Orologeria</a><b> ·</b> <a href="/wiki/Storia_della_misurazione_del_tempo" title="Storia della misurazione del tempo">Storia della misurazione del tempo</a><b> ·</b> <a href="/wiki/Planetario" title="Planetario">Astrario</a><b> ·</b> <a href="/w/index.php?title=Cronometro_marino&action=edit&redlink=1" class="new" title="Cronometro marino (la pagina non esiste)">Cronometro marino</a><b> ·</b> <a href="/wiki/Meridiana" title="Meridiana">Meridiana</a><b> ·</b> <a href="/wiki/Clessidra" title="Clessidra">Clessidra</a> (<a href="/wiki/Clessidra_ad_acqua" title="Clessidra ad acqua">ad acqua)</a><b> ·</b> <a href="/wiki/Orologio_a_incenso" title="Orologio a incenso">Orologio a incenso</a><b> ·</b> <a href="/wiki/Cronometro" title="Cronometro">Cronometro</a><br /> </p><p><a href="/wiki/Calendario" title="Calendario">Calendario</a><b> ·</b> <a href="/wiki/Giorno" title="Giorno">Giorno</a><b> ·</b> <a href="/wiki/Settimana" title="Settimana">Settimana</a><b> ·</b> <a href="/wiki/Mese" title="Mese">Mese</a><b> ·</b> <a href="/wiki/Anno" title="Anno">Anno</a><b> ·</b> <a href="/wiki/Anno_tropico" title="Anno tropico">Anno tropico</a><b> ·</b> <a href="/wiki/Calendario_giuliano" title="Calendario giuliano">Giuliano</a><b> ·</b> <a href="/wiki/Calendario_gregoriano" title="Calendario gregoriano">Gregoriano</a><b> ·</b> <a href="/wiki/Calendario_islamico" title="Calendario islamico">Islamico</a><br /> </p> <a href="/wiki/Intercalazione_(cronologia)" title="Intercalazione (cronologia)">Intercalazione</a><b> ·</b> <a href="/wiki/Secondo_intercalare" title="Secondo intercalare">Secondo intercalare</a><b> ·</b> <a href="/wiki/Anno_bisestile" title="Anno bisestile">Anno bisestile</a></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;"><a href="/wiki/Cronologia" title="Cronologia">Cronologia</a></th><td colspan="1" class="navbox_list navbox_odd"><a href="/wiki/Cronologia_astronomica" title="Cronologia astronomica">Cronologia astronomica</a><b> ·</b> <a href="/wiki/Scala_dei_tempi_geologici" title="Scala dei tempi geologici">Tempo geologico</a><b> ·</b> <a href="/w/index.php?title=Storia_geologica_della_Terra&action=edit&redlink=1" class="new" title="Storia geologica della Terra (la pagina non esiste)">Storia geologica</a><b> ·</b> <a href="/wiki/Geocronologia" class="mw-redirect" title="Geocronologia">Geocronologia</a><b> ·</b> <a href="/w/index.php?title=Datazione_(archeologia)&action=edit&redlink=1" class="new" title="Datazione (archeologia) (la pagina non esiste)">Datazione archeologica</a><br /> <a href="/wiki/Era_del_calendario" title="Era del calendario">Era del calendario</a><b> ·</b> <a href="/w/index.php?title=Anno_di_regno&action=edit&redlink=1" class="new" title="Anno di regno (la pagina non esiste)">Anno di regno</a><b> ·</b> <a href="/wiki/Cronaca_(genere_letterario)" title="Cronaca (genere letterario)">Cronaca</a><b> ·</b> <a href="/wiki/Periodizzazione" title="Periodizzazione">Periodizzazione</a></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Religione e mitologia</th><td colspan="1" class="navbox_list navbox_even"><a href="/wiki/Chronos_(mitologia)" title="Chronos (mitologia)">Chronos</a><b> ·</b> <a href="/wiki/Decani" title="Decani">Decani</a><b> ·</b> <a href="/wiki/Eone_(cosmologia)" title="Eone (cosmologia)">Eone</a><b> ·</b> <i><a href="/wiki/Kairos" title="Kairos">Kairós</a></i><b> ·</b> <i><a href="/wiki/K%C4%81la" title="Kāla">Kāla</a></i><b> ·</b> <a href="/wiki/K%C4%81lacakratantra" title="Kālacakratantra">Kālacakratantra</a><b> ·</b> <a href="/wiki/Padre_Tempo" title="Padre Tempo">Padre Tempo</a><b> ·</b> <a href="/wiki/Profezia" title="Profezia">Profezia</a><b> ·</b> <a href="/wiki/Ruota_dell%27esistenza" title="Ruota dell'esistenza">Ruota del tempo</a><b> ·</b> <a href="/wiki/Spirito_del_tempo" title="Spirito del tempo">Spirito del tempo</a><b> ·</b> <a href="/wiki/Tempo_del_Sogno" title="Tempo del Sogno">Tempo del Sogno</a></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;"><a href="/wiki/Concezione_del_tempo" title="Concezione del tempo">Filosofia</a></th><td colspan="1" class="navbox_list navbox_odd"><a href="/wiki/Causa_(filosofia)" title="Causa (filosofia)">Causalità</a><b> ·</b> <a href="/wiki/Eterno_ritorno" title="Eterno ritorno">Eterno ritorno</a><b> ·</b> <a href="/wiki/Evento_(teoria_della_probabilit%C3%A0)" title="Evento (teoria della probabilità)">Evento</a><b> ·</b> <a href="/wiki/Kalpa" title="Kalpa">Kalpa</a><b> ·</b> <a href="/wiki/Presentismo" title="Presentismo">Presentismo</a><b> ·</b> <a href="/wiki/Sincronicit%C3%A0" title="Sincronicità">Sincronicità</a><b> ·</b> <a href="/wiki/Tempo_ciclico" class="mw-redirect" title="Tempo ciclico">Tempo ciclico</a><b> ·</b> <a href="/wiki/Filosofia_della_storia" title="Filosofia della storia">Tempo storico</a><b> ·</b> <a href="/wiki/Yuga" title="Yuga">Yuga</a></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Scienze fisiche</th><td colspan="1" class="navbox_list navbox_even"><a href="/wiki/Tempo_(fisica)" class="mw-redirect" title="Tempo (fisica)">Tempo in fisica</a><b> ·</b> <a href="/wiki/Spaziotempo" title="Spaziotempo">Spaziotempo</a><b> ·</b> <a href="/wiki/Tempo_assoluto" class="mw-redirect" title="Tempo assoluto">Tempo assoluto</a><b> ·</b> <a href="/wiki/Simmetria_temporale" title="Simmetria temporale">Simmetria temporale</a><br /> <p><a href="/wiki/Freccia_del_tempo" title="Freccia del tempo">Freccia del tempo</a><b> ·</b> <a href="/wiki/Chronon" title="Chronon">Chronon</a><b> ·</b> <a href="/wiki/Quarta_dimensione" title="Quarta dimensione">Quarta dimensione</a><b> ·</b> <a href="/w/index.php?title=Epoca_di_Planck&action=edit&redlink=1" class="new" title="Epoca di Planck (la pagina non esiste)">Epoca di Planck</a><b> ·</b> <a href="/wiki/Tempo_di_Planck" title="Tempo di Planck">Tempo di Planck</a><b> ·</b> <a href="/wiki/Dominio_del_tempo" title="Dominio del tempo">Dominio del tempo</a><b> ·</b> <a href="/wiki/Dimensioni_temporali_multiple" title="Dimensioni temporali multiple">Dimensioni temporali multiple</a><br /> </p> <a href="/wiki/Teoria_della_relativit%C3%A0" title="Teoria della relatività">Teoria della relatività</a><b> ·</b> <a href="/wiki/Dilatazione_del_tempo" title="Dilatazione del tempo">Dilatazione del tempo</a><b> ·</b> <a href="/wiki/Dilatazione_temporale_gravitazionale" title="Dilatazione temporale gravitazionale">Dilatazione gravitazionale del tempo</a><b> ·</b> <a href="/w/index.php?title=Tempo_coordinato&action=edit&redlink=1" class="new" title="Tempo coordinato (la pagina non esiste)">Tempo coordinato</a><b> ·</b> <a href="/wiki/Tempo_proprio" title="Tempo proprio">Tempo proprio</a></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Biologia</th><td colspan="1" class="navbox_list navbox_odd"><a href="/wiki/Cronobiologia" title="Cronobiologia">Cronobiologia</a><b> ·</b> <a href="/wiki/Ritmo_circadiano" title="Ritmo circadiano">Ritmi circadiani</a><b> ·</b> <a href="/wiki/Tempo_di_reazione" class="mw-redirect" title="Tempo di reazione">Tempo di reazione</a></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Sociologia e antropologia</th><td colspan="1" class="navbox_list navbox_even"><a href="/wiki/Cronemica" title="Cronemica">Cronemica</a><b> ·</b> <a href="/wiki/Futurologia" title="Futurologia">Futurologia</a><b> ·</b> <a href="/wiki/Long_Now_Foundation" title="Long Now Foundation">Long Now Foundation</a><b> ·</b></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Scienze economiche</th><td colspan="1" class="navbox_list navbox_odd"><a href="/w/index.php?title=Tempo_newtoniano_nelle_scienze_economiche&action=edit&redlink=1" class="new" title="Tempo newtoniano nelle scienze economiche (la pagina non esiste)">Tempo newtoniano nelle scienze economiche</a><b> ·</b> <a href="/w/index.php?title=Valore_tempo_del_denaro&action=edit&redlink=1" class="new" title="Valore tempo del denaro (la pagina non esiste)">Valore tempo del denaro</a><b> ·</b> <a href="/w/index.php?title=Tempo_bancario&action=edit&redlink=1" class="new" title="Tempo bancario (la pagina non esiste)">Tempo bancario</a><b> ·</b> <a href="/wiki/Banca_del_tempo" title="Banca del tempo">Banca del tempo</a><b> ·</b> <a href="/wiki/Ora_legale" title="Ora legale">Ora legale</a></td></tr><tr><th colspan="1" class="navbox_group" style="background:#dd9;">Argomenti correlati</th><td colspan="1" class="navbox_list navbox_even"><a href="/wiki/Spazio_(fisica)" title="Spazio (fisica)">Spazio</a><b> ·</b> <a href="/wiki/Durata" title="Durata">Durata</a><b> ·</b> <a href="/wiki/Capsula_del_tempo" title="Capsula del tempo">Capsula del tempo</a><b> ·</b> <a 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