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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Autentificare</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Cuprins" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Cuprins</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ascunde</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Început</div> </a> </li> <li id="toc-Sens_antiorar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sens_antiorar"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Sens antiorar</span> </div> </a> <ul id="toc-Sens_antiorar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-În_astronomie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#În_astronomie"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>În astronomie</span> </div> </a> <ul id="toc-În_astronomie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vezi_și" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Vezi_și"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Vezi și</span> </div> </a> <ul id="toc-Vezi_și-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Cuprins" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Comută cuprinsul" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Comută cuprinsul</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Sens orar</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Mergeți la un articol în altă limbă. Disponibil în 16 limbi" > <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-16" 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">16 limbi</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Med_og_mod_uret" title="Med og mod uret – daneză" lang="da" hreflang="da" data-title="Med og mod uret" data-language-autonym="Dansk" data-language-local-name="daneză" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Drehrichtung" title="Drehrichtung – germană" lang="de" hreflang="de" data-title="Drehrichtung" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9F%CF%81%CE%B8%CE%AE_%CF%86%CE%BF%CF%81%CE%AC" title="Ορθή φορά – greacă" lang="el" hreflang="el" data-title="Ορθή φορά" data-language-autonym="Ελληνικά" data-language-local-name="greacă" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q70893996 mw-list-item" title=""><a href="https://en.wikipedia.org/wiki/Clockwise_and_Anti-clockwise" title="Clockwise and Anti-clockwise – engleză" lang="en" hreflang="en" data-title="Clockwise and Anti-clockwise" data-language-autonym="English" data-language-local-name="engleză" 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/Horlo%C4%9Da_direkto" title="Horloĝa direkto – esperanto" lang="eo" hreflang="eo" data-title="Horloĝa direkto" 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/Sentido_horario" title="Sentido horario – spaniolă" lang="es" hreflang="es" data-title="Sentido horario" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Erloju_orratzen_noranzko" title="Erloju orratzen noranzko – bască" lang="eu" hreflang="eu" data-title="Erloju orratzen noranzko" data-language-autonym="Euskara" data-language-local-name="bască" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Sens_de_rotation" title="Sens de rotation – franceză" lang="fr" hreflang="fr" data-title="Sens de rotation" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Senso_di_rotazione" title="Senso di rotazione – italiană" lang="it" hreflang="it" data-title="Senso di rotazione" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%99%82%E8%A8%88%E5%9B%9E%E3%82%8A%E3%83%BB%E5%8F%8D%E6%99%82%E8%A8%88%E5%9B%9E%E3%82%8A" title="時計回り・反時計回り – japoneză" lang="ja" hreflang="ja" data-title="時計回り・反時計回り" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Motus_horologii" title="Motus horologii – latină" lang="la" hreflang="la" data-title="Motus horologii" data-language-autonym="Latina" data-language-local-name="latină" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AA%E0%B5%8D%E0%B4%B0%E0%B4%A6%E0%B4%95%E0%B5%8D%E0%B4%B7%E0%B4%BF%E0%B4%A3%E0%B4%A6%E0%B4%BF%E0%B4%B6" title="പ്രദക്ഷിണദിശ – malayalam" lang="ml" hreflang="ml" data-title="പ്രദക്ഷിണദിശ" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Dreihricht" title="Dreihricht – germana de jos" lang="nds" hreflang="nds" data-title="Dreihricht" data-language-autonym="Plattdüütsch" data-language-local-name="germana de jos" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BE_%D1%87%D0%B0%D1%81%D0%BE%D0%B2%D0%BE%D0%B9_%D1%81%D1%82%D1%80%D0%B5%D0%BB%D0%BA%D0%B5_%D0%B8_%D0%BF%D1%80%D0%BE%D1%82%D0%B8%D0%B2_%D1%87%D0%B0%D1%81%D0%BE%D0%B2%D0%BE%D0%B9_%D1%81%D1%82%D1%80%D0%B5%D0%BB%D0%BA%D0%B8" title="По часовой стрелке и против часовой стрелки – rusă" lang="ru" hreflang="ru" data-title="По часовой стрелке и против часовой стрелки" data-language-autonym="Русский" data-language-local-name="rusă" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Med-_och_moturs" title="Med- och moturs – suedeză" lang="sv" hreflang="sv" data-title="Med- och moturs" data-language-autonym="Svenska" data-language-local-name="suedeză" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%97%D0%B0_%D0%B3%D0%BE%D0%B4%D0%B8%D0%BD%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2%D0%BE%D1%8E_%D1%81%D1%82%D1%80%D1%96%D0%BB%D0%BA%D0%BE%D1%8E_%D1%96_%D0%BF%D1%80%D0%BE%D1%82%D0%B8_%D0%B3%D0%BE%D0%B4%D0%B8%D0%BD%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2%D0%BE%D1%97_%D1%81%D1%82%D1%80%D1%96%D0%BB%D0%BA%D0%B8" title="За годинниковою стрілкою і проти годинникової стрілки – ucraineană" lang="uk" hreflang="uk" data-title="За годинниковою стрілкою і проти годинникової стрілки" data-language-autonym="Українська" data-language-local-name="ucraineană" class="interlanguage-link-target"><span>Українська</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/Q504111#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Spații de nume"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Sens_orar" title="Vedeți conținutul paginii [a]" accesskey="a"><span>Articol</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discu%C8%9Bie:Sens_orar" rel="discussion" title="Discuții despre această pagină [t]" accesskey="t"><span>Discuție</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">română</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vizualizări"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Sens_orar"><span>Lectură</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sens_orar&veaction=edit" title="Modificați această pagină cu EditorulVizual [v]" accesskey="v"><span>Modificare</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sens_orar&action=edit" title="Modificați codul sursă al acestei pagini [e]" accesskey="e"><span>Modificare sursă</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sens_orar&action=history" title="Versiunile anterioare ale paginii și autorii lor. [h]" accesskey="h"><span>Istoric</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Unelte" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Unelte</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Unelte</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ascunde</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Mai multe opțiuni" > <div class="vector-menu-heading"> Acțiuni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Sens_orar"><span>Lectură</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sens_orar&veaction=edit" title="Modificați această pagină cu EditorulVizual [v]" accesskey="v"><span>Modificare</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sens_orar&action=edit" title="Modificați codul sursă al acestei pagini [e]" accesskey="e"><span>Modificare sursă</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sens_orar&action=history"><span>Istoric</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:Ce_se_leag%C4%83_aici/Sens_orar" title="Lista tuturor paginilor wiki care conduc spre această pagină [j]" accesskey="j"><span>Ce trimite aici</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Modific%C4%83ri_corelate/Sens_orar" rel="nofollow" title="Schimbări recente în legătură cu această pagină [k]" accesskey="k"><span>Schimbări corelate</span></a></li><li id="t-upload" class="mw-list-item"><a href="//ro.wikipedia.org/wiki/Wikipedia:Trimite_fișier" title="Încărcare fișiere [u]" accesskey="u"><span>Trimite fișier</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Sens_orar&oldid=16682374" title="Legătură permanentă către această versiune a acestei pagini"><span>Legătură permanentă</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Sens_orar&action=info" title="Mai multe informații despre această pagină"><span>Informații despre pagină</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citeaz%C4%83&page=Sens_orar&id=16682374&wpFormIdentifier=titleform" title="Informații cu privire la modul de citare a acestei pagini"><span>Citează acest articol</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FSens_orar"><span>Obține URL scurtat</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FSens_orar"><span>Descărcați codul QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Tipărire/exportare </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Carte&bookcmd=book_creator&referer=Sens+orar"><span>Creare carte</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Sens_orar&action=show-download-screen"><span>Descărcare ca PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Sens_orar&printable=yes" title="Versiunea de tipărit a acestei pagini [p]" accesskey="p"><span>Versiune de tipărit</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> În alte proiecte </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q504111" title="Legătură către elementul asociat din depozitul de date [g]" 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src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Clockwise_arrow.svg/150px-Clockwise_arrow.svg.png" decoding="async" width="150" height="142" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Clockwise_arrow.svg/225px-Clockwise_arrow.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/Clockwise_arrow.svg/300px-Clockwise_arrow.svg.png 2x" data-file-width="329" data-file-height="312" /></a><figcaption>Sens orar</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fi%C8%99ier:Counterclockwise_arrow.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Counterclockwise_arrow.svg/150px-Counterclockwise_arrow.svg.png" decoding="async" width="150" height="142" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Counterclockwise_arrow.svg/225px-Counterclockwise_arrow.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Counterclockwise_arrow.svg/300px-Counterclockwise_arrow.svg.png 2x" data-file-width="329" data-file-height="312" /></a><figcaption>Sens antiorar</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fi%C8%99ier:Rotating_earth_(large).gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/150px-Rotating_earth_%28large%29.gif" decoding="async" width="150" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/225px-Rotating_earth_%28large%29.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/300px-Rotating_earth_%28large%29.gif 2x" data-file-width="400" data-file-height="400" /></a><figcaption>Model al mișcării de rotație a <a href="/wiki/P%C4%83m%C3%A2nt" title="Pământ">Pământului</a>.</figcaption></figure> <p><b>Sens orar</b> sau sensul acelor de ceasornic este identic cu cel descris de limbile <a href="/wiki/Ceas" title="Ceas">ceasului</a>: de sus spre dreapta, jos, apoi spre stânga și înapoi sus. Sensul opus rotirii în sens orar este sensul <b>antiorar</b>, denumit în <a href="/wiki/Matematic%C4%83" title="Matematică">matematică</a> <b>sens trigonometric</b>. Sensul trigonometric poate fi definit ca sensul de rotație pe o traiectorie circulară descrisă parametric de ecuațiile </p> <dl><dd><i>x</i> = <i>r</i> cos <i>t</i></dd> <dd><i>y</i> = <i>r</i> sin <i>t</i></dd></dl> <p>unde <i>r</i> este raza cercului, iar <i>t</i> este un parametru crescător în timp. Coordonatele carteziene <i>x</i> și <i>y</i> trebuie să fie crescătoare spre dreapta, respectiv în sus. </p><p>Înainte de utilizarea ceasurilor se foloseau termeni referitori la evoluția soarelui pe boltă. Tehnic, termenii de <b>orar</b> și <b>antiorar</b> se pot aplica numai unei mișcări de rotație odată ce este specificată partea planului rotirii din care este urmărită mișcarea. De exemplu rotirea diurnă a <a href="/wiki/P%C4%83m%C3%A2nt" title="Pământ">Pământului</a>, văzută de la <a href="/wiki/Polul_Nord" title="Polul Nord">Polul Nord</a> , este antiorară, dar privită de la <a href="/wiki/Polul_Sud" title="Polul Sud">Polul Sud</a> este orară. </p><p>Ceasurile urmează acest sens de rotire prin tradiție, datorită predecesorului lor, <a href="/wiki/Cadran_solar" class="mw-redirect" title="Cadran solar">cadranul solar</a>. Primele ceasuri au fost construite în emisfera nordică și erau făcute să funcționeze asemenea cadranelor solare. Pentru a funcționa (în emisfera nordică) cadranul trebuie orientat spre sud. Astfel, când <a href="/wiki/Soare" title="Soare">Soarele</a> se deplasează pe cer (de la <a href="/wiki/Est" title="Est">est</a>, prin <a href="/wiki/Sud" title="Sud">sud</a>, către <a href="/wiki/Vest" title="Vest">vest</a>), umbra lăsată se mișcă „în direcția opusă”, adică de la vest, prin nord, la est. De aceea poziția orelor a fost trasată în acest mod pe cadranele solare, iar ceasurile mecanice au numerele așezate în aceeași ordine. </p> <div class="mw-heading mw-heading2"><h2 id="Sens_antiorar">Sens antiorar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sens_orar&veaction=edit&section=1" title="Modifică secțiunea: Sens antiorar" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sens_orar&action=edit&section=1" title="Edit section's source code: Sens antiorar"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>În <a href="/wiki/Trigonometrie" title="Trigonometrie">trigonometrie</a> și <a href="/wiki/Matematic%C4%83" title="Matematică">matematică</a> în general, <a href="/wiki/Unghi" title="Unghi">unghiul</a> plan se măsoară <i>antiorar</i>. În <a href="/wiki/Naviga%C8%9Bie" title="Navigație">navigație</a>, indicatoarele <a href="/wiki/Busol%C4%83" title="Busolă">busolei</a> cresc în sens orar în jurul rozei vânturilor, pornind cu 0° în partea de sus a rozei. </p><p>Uneori, ceasuri ale căror limbi se deplasează în sens antiorar sunt vândute, în zilele noastre, ca rarități. În timpurile vechi, unele ceasuri <a href="/wiki/Iudaism" title="Iudaism">evreiești</a> au fost construite ca să funcționeze astfel, de exemplu în turnurile unor <a href="/wiki/Sinagog%C4%83" title="Sinagogă">sinagogi</a> din <a href="/wiki/Europa" title="Europa">Europa</a>. Aceasta s-a făcut în acord cu sensul de citire, de la dreapta spre stânga, din <a href="/wiki/Limba_ebraic%C4%83" title="Limba ebraică">limba ebraică</a>. </p><p>După același principiu, <a href="/wiki/%C8%98urub" title="Șurub">șuruburile</a> și <a href="/wiki/Piuli%C8%9B%C4%83" title="Piuliță">piulițele</a> obișnuite (<i>drepte</i>) se slăbesc în sens antiorar și se strâng în sens orar, dacă elementul care este rotit se află înspre privitor. La conexiunile conductelor de gaze, fitingurile sunt „pe stânga” pentru a împiedica interconectarea la sisteme pentru care nu au fost proiectate. </p><p>Distincțiile „orar” și „antiorar” apar și în natură, determinând conotații diferite și rezultate finale diferite. </p> <div class="mw-heading mw-heading2"><h2 id="În_astronomie"><span id=".C3.8En_astronomie"></span>În astronomie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sens_orar&veaction=edit&section=2" title="Modifică secțiunea: În astronomie" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sens_orar&action=edit&section=2" title="Edit section's source code: În astronomie"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>În <a href="/wiki/Astronomie" title="Astronomie">astronomie</a> se vorbește despre <a href="/wiki/Mi%C8%99care_prograd%C4%83_%C8%99i_mi%C8%99care_retrograd%C4%83" title="Mișcare progradă și mișcare retrogradă">mișcări prograde și mișcări retrograde</a>. Mișcările în sensul antiorar, altfel spus, în sens trigonometric, se numesc <i>mișcări prograde</i>, iar cele în sens orar se numesc <i>mișcări retrograde</i>. </p> <div class="mw-heading mw-heading2"><h2 id="Vezi_și"><span id="Vezi_.C8.99i"></span>Vezi și</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sens_orar&veaction=edit&section=3" title="Modifică secțiunea: Vezi și" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sens_orar&action=edit&section=3" title="Edit section's source code: Vezi și"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Mi%C8%99care_prograd%C4%83_%C8%99i_mi%C8%99care_retrograd%C4%83" title="Mișcare progradă și mișcare retrogradă">Mișcare progradă și mișcare retrogradă</a></li> <li><a href="/wiki/Regula_m%C3%A2inii_drepte" title="Regula mâinii drepte">Regula mâinii drepte</a></li> <li><a href="/wiki/Regula_m%C3%A2inii_st%C3%A2ngi" title="Regula mâinii stângi">Regula mâinii stângi</a></li> <li><a href="/w/index.php?title=Izomerie_optic%C4%83&action=edit&redlink=1" class="new" title="Izomerie optică — pagină inexistentă">Izomerie optică</a>, <a href="/w/index.php?title=Dextrogir&action=edit&redlink=1" class="new" title="Dextrogir — pagină inexistentă">Dextrogir</a> și <a href="/w/index.php?title=Levogir&action=edit&redlink=1" class="new" title="Levogir — pagină inexistentă">Levogir</a>, (în <a href="/wiki/Chimie" title="Chimie">chimie</a>)</li> <li><a href="/w/index.php?title=St%C3%A2nga_%C8%99i_dreapta&action=edit&redlink=1" class="new" title="Stânga și dreapta — pagină inexistentă">Stânga și dreapta</a>, <a href="/wiki/Simetrie" title="Simetrie">Simetrie</a>, <a href="/w/index.php?title=Antisimetrie&action=edit&redlink=1" class="new" title="Antisimetrie — pagină inexistentă">Antisimetrie</a> (în <a href="/wiki/Fizic%C4%83" title="Fizică">fizică</a>)</li> <li><a href="/wiki/St%C3%A2ngaci" title="Stângaci">Stângaci</a> și <a href="/w/index.php?title=Dreptaci&action=edit&redlink=1" class="new" title="Dreptaci — pagină inexistentă">Dreptaci</a> (în <a href="/wiki/Anatomie" title="Anatomie">anatomie</a> și <a href="/w/index.php?title=Comportament_uman&action=edit&redlink=1" class="new" title="Comportament uman — pagină inexistentă">comportament uman</a>)</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Adus de la <a dir="ltr" href="https://ro.wikipedia.org/w/index.php?title=Sens_orar&oldid=16682374">https://ro.wikipedia.org/w/index.php?title=Sens_orar&oldid=16682374</a></div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categorii" title="Special:Categorii">Categorii</a>: <ul><li><a href="/wiki/Categorie:Concepte_fizice_fundamentale" title="Categorie:Concepte fizice fundamentale">Concepte fizice fundamentale</a></li><li><a href="/wiki/Categorie:Trigonometrie" title="Categorie:Trigonometrie">Trigonometrie</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Ultima editare a paginii a fost efectuată la 28 noiembrie 2024, ora 19:04.</li> <li id="footer-info-copyright">Acest text este disponibil sub licența <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.ro">Creative Commons cu atribuire și distribuire în condiții identice</a>; pot exista și clauze suplimentare. 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