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<header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sommaire" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table des matières" > <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="Basculer la table des matières" > <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">Basculer la table des matières</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">Heure normale de l'Inde</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="Aller à un article dans une autre langue. Disponible en 37 langues." > <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-37" 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">37 langues</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%A7%D9%84%D9%87%D9%86%D8%AF" title="توقيت الهند – arabe" lang="ar" hreflang="ar" data-title="توقيت الهند" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AD%E0%A6%BE%E0%A7%B0%E0%A6%A4%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%AE%E0%A6%BE%E0%A6%A8_%E0%A6%B8%E0%A6%AE%E0%A6%AF%E0%A6%BC" title="ভাৰতীয় মান সময় – assamais" lang="as" hreflang="as" data-title="ভাৰতীয় মান সময়" data-language-autonym="অসমীয়া" data-language-local-name="assamais" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BE%E0%A4%B0%E0%A4%A4%E0%A5%80%E0%A4%AF_%E0%A4%AE%E0%A4%BE%E0%A4%A8%E0%A4%95_%E0%A4%B8%E0%A4%AE%E0%A4%AF" title="भारतीय मानक समय – Bhojpuri" lang="bh" hreflang="bh" data-title="भारतीय मानक समय" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AD%E0%A6%BE%E0%A6%B0%E0%A6%A4%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AE%E0%A6%BE%E0%A6%A3_%E0%A6%B8%E0%A6%AE%E0%A6%AF%E0%A6%BC" title="ভারতীয় প্রমাণ সময় – bengali" lang="bn" hreflang="bn" data-title="ভারতীয় প্রমাণ সময়" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Indian_Standard_Time" title="Indian Standard Time – anglais" lang="en" hreflang="en" data-title="Indian Standard Time" data-language-autonym="English" data-language-local-name="anglais" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Huso_horario_de_la_India" title="Huso horario de la India – espagnol" lang="es" hreflang="es" data-title="Huso horario de la India" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</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%A7%D8%B3%D8%AA%D8%A7%D9%86%D8%AF%D8%A7%D8%B1%D8%AF_%D9%87%D9%86%D8%AF" title="زمان استاندارد هند – persan" lang="fa" hreflang="fa" data-title="زمان استاندارد هند" data-language-autonym="فارسی" data-language-local-name="persan" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%AD%E0%AA%BE%E0%AA%B0%E0%AA%A4%E0%AB%80%E0%AA%AF_%E0%AA%AE%E0%AA%BE%E0%AA%A8%E0%AA%95_%E0%AA%B8%E0%AA%AE%E0%AA%AF" title="ભારતીય માનક સમય – goudjarati" lang="gu" hreflang="gu" data-title="ભારતીય માનક સમય" data-language-autonym="ગુજરાતી" data-language-local-name="goudjarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BE%E0%A4%B0%E0%A4%A4%E0%A5%80%E0%A4%AF_%E0%A4%AE%E0%A4%BE%E0%A4%A8%E0%A4%95_%E0%A4%B8%E0%A4%AE%E0%A4%AF" title="भारतीय मानक समय – hindi" lang="hi" hreflang="hi" data-title="भारतीय मानक समय" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Indian_Standard_Time" title="Indian Standard Time – hindi fidjien" lang="hif" hreflang="hif" data-title="Indian Standard Time" data-language-autonym="Fiji Hindi" data-language-local-name="hindi fidjien" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Waktu_India" title="Waktu India – indonésien" lang="id" hreflang="id" data-title="Waktu India" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" 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/%E3%82%A4%E3%83%B3%E3%83%89%E6%A8%99%E6%BA%96%E6%99%82" title="インド標準時 – japonais" lang="ja" hreflang="ja" data-title="インド標準時" data-language-autonym="日本語" data-language-local-name="japonais" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AD%E0%B2%BE%E0%B2%B0%E0%B2%A4%E0%B2%A6_%E0%B2%A8%E0%B2%BF%E0%B2%B0%E0%B3%8D%E0%B2%A6%E0%B2%BF%E0%B2%B7%E0%B3%8D%E0%B2%9F_%E0%B2%95%E0%B2%BE%E0%B2%B2%E0%B2%AE%E0%B2%BE%E0%B2%A8" title="ಭಾರತದ ನಿರ್ದಿಷ್ಟ ಕಾಲಮಾನ – kannada" lang="kn" hreflang="kn" data-title="ಭಾರತದ ನಿರ್ದಿಷ್ಟ ಕಾಲಮಾನ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9D%B8%EB%8F%84_%ED%91%9C%EC%A4%80%EC%8B%9C" title="인도 표준시 – coréen" lang="ko" hreflang="ko" data-title="인도 표준시" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mai mw-list-item"><a href="https://mai.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BE%E0%A4%B0%E0%A4%A4%E0%A5%80%E0%A4%AF_%E0%A4%AE%E0%A4%BE%E0%A4%A8%E0%A4%95_%E0%A4%B8%E0%A4%AE%E0%A4%AF" title="भारतीय मानक समय – maïthili" lang="mai" hreflang="mai" data-title="भारतीय मानक समय" data-language-autonym="मैथिली" data-language-local-name="maïthili" class="interlanguage-link-target"><span>मैथिली</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%94%E0%B4%A6%E0%B5%8D%E0%B4%AF%E0%B5%8B%E0%B4%97%E0%B4%BF%E0%B4%95_%E0%B4%87%E0%B4%A8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%AF%E0%B5%BB_%E0%B4%B8%E0%B4%AE%E0%B4%AF%E0%B4%82" title="ഔദ്യോഗിക ഇന്ത്യൻ സമയം – malayalam" lang="ml" hreflang="ml" data-title="ഔദ്യോഗിക ഇന്ത്യൻ സമയം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BE%E0%A4%B0%E0%A4%A4%E0%A5%80%E0%A4%AF_%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%A3%E0%A4%B5%E0%A5%87%E0%A4%B3" title="भारतीय प्रमाणवेळ – marathi" lang="mr" hreflang="mr" data-title="भारतीय प्रमाणवेळ" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Waktu_di_India" title="Waktu di India – malais" lang="ms" hreflang="ms" data-title="Waktu di India" data-language-autonym="Bahasa Melayu" data-language-local-name="malais" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BE%E0%A4%B0%E0%A4%A4%E0%A5%80%E0%A4%AF_%E0%A4%AE%E0%A4%BE%E0%A4%A8%E0%A4%95_%E0%A4%B8%E0%A4%AE%E0%A4%AF" title="भारतीय मानक समय – népalais" lang="ne" hreflang="ne" data-title="भारतीय मानक समय" data-language-autonym="नेपाली" data-language-local-name="népalais" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Indian_Standard_Time" title="Indian Standard Time – néerlandais" lang="nl" hreflang="nl" data-title="Indian Standard Time" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%AD%E0%AC%BE%E0%AC%B0%E0%AC%A4%E0%AD%80%E0%AD%9F_%E0%AC%AE%E0%AC%BE%E0%AC%A8%E0%AC%95_%E0%AC%B8%E0%AC%AE%E0%AD%9F" title="ଭାରତୀୟ ମାନକ ସମୟ – odia" lang="or" hreflang="or" data-title="ଭାରତୀୟ ମାନକ ସମୟ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AD%E0%A8%BE%E0%A8%B0%E0%A8%A4%E0%A9%80_%E0%A8%AE%E0%A8%BF%E0%A8%86%E0%A8%B0%E0%A9%80_%E0%A8%B8%E0%A8%AE%E0%A8%BE%E0%A8%82" title="ਭਾਰਤੀ ਮਿਆਰੀ ਸਮਾਂ – pendjabi" lang="pa" hreflang="pa" data-title="ਭਾਰਤੀ ਮਿਆਰੀ ਸਮਾਂ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pendjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A8%DA%BE%D8%A7%D8%B1%D8%AA_%D8%AF%D8%A7_%D9%85%D8%B9%DB%8C%D8%A7%D8%B1%DB%8C_%D9%88%D9%82%D8%AA" title="بھارت دا معیاری وقت – Western Punjabi" lang="pnb" hreflang="pnb" data-title="بھارت دا معیاری وقت" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Hor%C3%A1rio_Padr%C3%A3o_da_%C3%8Dndia" title="Horário Padrão da Índia – portugais" lang="pt" hreflang="pt" data-title="Horário Padrão da Índia" data-language-autonym="Português" data-language-local-name="portugais" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru badge-Q70894304 mw-list-item" title=""><a href="https://ru.wikipedia.org/wiki/%D0%98%D0%BD%D0%B4%D0%B8%D0%B9%D1%81%D0%BA%D0%BE%D0%B5_%D1%81%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82%D0%BD%D0%BE%D0%B5_%D0%B2%D1%80%D0%B5%D0%BC%D1%8F" title="Индийское стандартное время – russe" lang="ru" hreflang="ru" data-title="Индийское стандартное время" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BE%E0%A4%B0%E0%A4%A4%E0%A5%80%E0%A4%AF%E0%A4%AE%E0%A4%BE%E0%A4%A8%E0%A4%95%E0%A4%B8%E0%A4%AE%E0%A4%AF%E0%A4%83" title="भारतीयमानकसमयः – sanskrit" lang="sa" hreflang="sa" data-title="भारतीयमानकसमयः" data-language-autonym="संस्कृतम्" data-language-local-name="sanskrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sat mw-list-item"><a href="https://sat.wikipedia.org/wiki/%E1%B1%A5%E1%B1%A4%E1%B1%A7%E1%B1%9B%E1%B1%A4%E1%B1%AD%E1%B1%9F%E1%B1%B9_%E1%B1%A2%E1%B1%9F%E1%B1%B9%E1%B1%B1_%E1%B1%9A%E1%B1%A0%E1%B1%9B%E1%B1%9A" title="ᱥᱤᱧᱛᱤᱭᱟᱹ ᱢᱟᱹᱱ ᱚᱠᱛᱚ – santali" lang="sat" hreflang="sat" data-title="ᱥᱤᱧᱛᱤᱭᱟᱹ ᱢᱟᱹᱱ ᱚᱠᱛᱚ" data-language-autonym="ᱥᱟᱱᱛᱟᱲᱤ" data-language-local-name="santali" class="interlanguage-link-target"><span>ᱥᱟᱱᱛᱟᱲᱤ</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%89%E0%B6%B1%E0%B7%8A%E0%B6%AF%E0%B7%92%E0%B6%BA%E0%B7%8F%E0%B6%B1%E0%B7%94_%E0%B7%83%E0%B6%B8%E0%B7%8A%E0%B6%B8%E0%B6%AD_%E0%B7%80%E0%B7%9A%E0%B6%BD%E0%B7%8F%E0%B7%80" title="ඉන්දියානු සම්මත වේලාව – cingalais" lang="si" hreflang="si" data-title="ඉන්දියානු සම්මත වේලාව" data-language-autonym="සිංහල" data-language-local-name="cingalais" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Indian_Standard_Time" title="Indian Standard Time – Simple English" lang="en-simple" hreflang="en-simple" data-title="Indian Standard Time" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Indian_Standard_Time" title="Indian Standard Time – suédois" lang="sv" hreflang="sv" data-title="Indian Standard Time" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%87%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%BF%E0%AE%AF_%E0%AE%9A%E0%AF%80%E0%AE%B0%E0%AF%8D_%E0%AE%A8%E0%AF%87%E0%AE%B0%E0%AE%AE%E0%AF%8D" title="இந்திய சீர் நேரம் – tamoul" lang="ta" hreflang="ta" data-title="இந்திய சீர் நேரம்" data-language-autonym="தமிழ்" data-language-local-name="tamoul" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AD%E0%B0%BE%E0%B0%B0%E0%B0%A4_%E0%B0%AA%E0%B1%8D%E0%B0%B0%E0%B0%BE%E0%B0%AE%E0%B0%BE%E0%B0%A3%E0%B0%BF%E0%B0%95_%E0%B0%95%E0%B0%BE%E0%B0%B2%E0%B0%AE%E0%B0%BE%E0%B0%A8%E0%B0%82" title="భారత ప్రామాణిక కాలమానం – télougou" lang="te" hreflang="te" data-title="భారత ప్రామాణిక కాలమానం" data-language-autonym="తెలుగు" data-language-local-name="télougou" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Pamantayang_Oras_ng_India" title="Pamantayang Oras ng India – tagalog" lang="tl" hreflang="tl" data-title="Pamantayang Oras ng India" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li 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src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/20px-Logo_disambig.svg.png" decoding="async" width="20" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/30px-Logo_disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/40px-Logo_disambig.svg.png 2x" data-file-width="512" data-file-height="375" /></a></span></div><div class="bandeau-cell" style="display:table-cell;padding-right:0.5em"> <p>Pour les articles homonymes, voir <a href="/wiki/IST" class="mw-disambig" title="IST">IST</a>. </p> </div></div> <p class="mw-empty-elt"> </p> <table class="infobox_v2 infobox infobox--frwiki noarchive"> <tbody><tr> <td colspan="2" class="entete map" style="background-color:#80B0E0;color:black;">Heure normale de l'Inde<style data-mw-deduplicate="TemplateStyles:r151886662">.mw-parser-output .entete.map{background-image:url("//upload.wikimedia.org/wikipedia/commons/7/7a/Picto_infobox_map.png")}</style> </td></tr> <tr><th colspan="2" style="padding:4px; text-align:center; background-color:#80B0E0; color:#000000">Dénominations</th></tr> <tr> <th scope="row">Code</th> <td>E*</td> </tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#80B0E0; color:#000000">Localisation</th></tr> <tr> <th scope="row">Décalage par rapport à <a href="/wiki/Temps_universel_coordonn%C3%A9" title="Temps universel coordonné">UTC</a></th> <td>+5 <a href="/wiki/Heure" title="Heure">heures</a> et 30 <a href="/wiki/Minute_(temps)" title="Minute (temps)">minutes</a></td> </tr> <tr> <th scope="row"><a href="/wiki/Longitude" title="Longitude">Longitude</a> équivalente</th> <td>82,5° Est</td> </tr> <tr> <td colspan="2" style="text-align:center; line-height: 1.5em;"><span typeof="mw:File/Frameless"><a href="/wiki/Fichier:IST-CIA-TZ.png" class="mw-file-description"><img alt="Heure de l'Inde et des pays environnants" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/IST-CIA-TZ.png/280px-IST-CIA-TZ.png" decoding="async" width="280" height="300" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/IST-CIA-TZ.png/420px-IST-CIA-TZ.png 1.5x, //upload.wikimedia.org/wikipedia/commons/d/db/IST-CIA-TZ.png 2x" data-file-width="429" data-file-height="459" /></a></span> <br />Heure de l'Inde et des pays environnants </td></tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#80B0E0; color:#000000">Statistiques</th></tr> <tr> <th scope="row">Terres concernées</th> <td>Env. 3 350 000 <abbr class="abbr" title="kilomètre carré">km<sup>2</sup></abbr></td> </tr> <tr> <th scope="row">Populations concernées</th> <td>Env. 1 150 000 000 <abbr class="abbr" title="habitant">hab.</abbr></td> </tr> <tr> <th scope="row">Densité</th> <td>Env. 343 hab./km<sup>2</sup></td> </tr> <tr> <th scope="row">Pays ou territoires</th> <td>2</td> </tr> <tr> <td class="navigation-only" colspan="2" style="border-top: 2px #80B0E0 solid; font-size: 80%; background:inherit; color: inherit; text-align: right;"><span class="plainlinks" style="float:left;"><a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Heure_normale_de_l%27Inde&action=edit&section=0"><span class="infodoc">modifier</span></a></span> <span typeof="mw:File"><a href="/wiki/Mod%C3%A8le:Infobox_Fuseau_horaire" title="Consultez la documentation du modèle"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/12px-Info_Simple.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/18px-Info_Simple.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/24px-Info_Simple.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></td> </tr> </tbody></table> <p>L'<b>heure normale de l'Inde</b> (<a href="/wiki/Anglais" title="Anglais">anglais</a> : <span class="lang-en" lang="en"><i>Indian Standard TIme</i></span> ou <i>IST</i>) est l'heure légale observée en <a href="/wiki/Inde" title="Inde">Inde</a>. Elle correspond au <a href="/wiki/Fuseau_horaire" title="Fuseau horaire">fuseau horaire</a> <a href="/wiki/UTC%2B5:30" class="mw-redirect" title="UTC+5:30">UTC+5:30</a>. </p><p>Le <a href="/wiki/Sri_Lanka" title="Sri Lanka">Sri Lanka</a> utilise la même heure légale depuis le <time class="nowrap" datetime="2006-04-15" data-sort-value="2006-04-15">15 avril 2006</time>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Histoire">Histoire</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&veaction=edit&section=1" title="Modifier la section : Histoire" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&action=edit&section=1" title="Modifier le code source de la section : Histoire"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La première utilisation d'une heure locale précise pour l'Inde remonte à <a href="/wiki/1802" title="1802">1802</a>, lorsque l'<a href="/wiki/Observatoire_de_Madras" title="Observatoire de Madras">observatoire de Madras</a> établit l'heure standard locale à 5 heures et 30 minutes d'avance par rapport à celle de l'<a href="/wiki/Observatoire_royal_de_Greenwich" title="Observatoire royal de Greenwich">observatoire royal de Greenwich</a>. </p><p>En <a href="/wiki/1884" title="1884">1884</a>, l'Inde est divisée en deux fuseaux horaires. À l'ouest, <a href="/wiki/Bombay" title="Bombay">Bombay</a> utilise une heure de 4 heures et 51 minutes en avance sur <a href="/wiki/Greenwich_Mean_Time" class="mw-redirect" title="Greenwich Mean Time">GMT</a> ; à l'est, <a href="/wiki/Calcutta" title="Calcutta">Calcutta</a> est placée à 5 heures, 30 minutes et 21 secondes en avance sur GMT. </p><p>Le pays passe à un fuseau horaire unique en <a href="/wiki/1906" title="1906">1906</a> : l'heure légale est mesurée par rapport à l'<a href="/wiki/Temps_solaire_moyen" class="mw-redirect" title="Temps solaire moyen">heure solaire moyenne</a> sur le méridien <span title="1,439 896 rad" style="cursor:help">82,5</span><abbr class="abbr" title="degré">°</abbr> est, qui sépare les fuseau <a href="/wiki/UTC%2B05:00" title="UTC+05:00">UTC+05:00</a> et <a href="/wiki/UTC%2B06:00" title="UTC+06:00">UTC+06:00</a> et passe légèrement à l'est d'<a href="/wiki/Allahabad" class="mw-redirect" title="Allahabad">Allahabad</a>. Calcutta conserve néanmoins son heure distincte jusqu'en <a href="/wiki/1948" title="1948">1948</a> et Bombay jusqu'en <a href="/wiki/1955" title="1955">1955</a>. </p><p>À l'<a href="/wiki/Ind%C3%A9pendance_de_l%27Inde" class="mw-redirect" title="Indépendance de l'Inde">Indépendance de l'Inde</a> en <a href="/wiki/1947" title="1947">1947</a>, le fuseau horaire unique est conservé. L'observatoire central est déplacé de Madras (<span title="1,396 263 rad" style="cursor:help">80</span><abbr class="abbr" title="degré">°</abbr>E) à <a href="/wiki/Mirzapur" title="Mirzapur">Mirzapur</a>, près d'<a href="/wiki/Allahabad" class="mw-redirect" title="Allahabad">Allahabad</a> dans l'<a href="/wiki/Uttar_Pradesh" title="Uttar Pradesh">Uttar Pradesh</a>, dont la longitude de <span title="1,431 17 rad" style="cursor:help">82</span><abbr class="abbr" title="degré">°</abbr> 35' E correspond à peu près au méridien de référence. </p><p>Toutefois, l'Inde couvrant une distance est-ouest de 2 933 <abbr class="abbr" title="kilomètre">km</abbr>, le soleil se lève et se couche dans le nord-est de l'Inde deux heures avant de faire de même dans le <a href="/wiki/Rann_de_Kutch" title="Rann de Kutch">Rann de Kutch</a>, à l'extrême ouest du pays. Cette caractéristique a poussé le gouverneur d'<a href="/wiki/Assam" title="Assam">Assam</a> à proposer officiellement au gouvernement national d'abandonner l'heure normale de l'Inde en faveur de la restauration de plusieurs fuseaux horaires<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Heure_d'été"><span id="Heure_d.27.C3.A9t.C3.A9"></span>Heure d'été</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&veaction=edit&section=2" title="Modifier la section : Heure d'été" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&action=edit&section=2" title="Modifier le code source de la section : Heure d'été"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>L'Inde n'observe actuellement pas l'<a href="/wiki/Heure_d%27%C3%A9t%C3%A9" title="Heure d'été">heure d'été</a>. </p><p>L'heure d'été a été brièvement observé pendant la <a href="/wiki/Guerre_sino-indienne" title="Guerre sino-indienne">guerre sino-indienne</a> de 1962 et les guerres indo-pakistanaises de <a href="/wiki/Deuxi%C3%A8me_Guerre_indo-pakistanaise" class="mw-redirect" title="Deuxième Guerre indo-pakistanaise">1965</a> et <a href="/wiki/Troisi%C3%A8me_Guerre_indo-pakistanaise" class="mw-redirect" title="Troisième Guerre indo-pakistanaise">1971</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Calcul">Calcul</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&veaction=edit&section=3" title="Modifier la section : Calcul" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&action=edit&section=3" title="Modifier le code source de la section : Calcul"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fichier:IST-Mirzapur.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/57/IST-Mirzapur.svg/220px-IST-Mirzapur.svg.png" decoding="async" width="220" height="257" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/57/IST-Mirzapur.svg/330px-IST-Mirzapur.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/57/IST-Mirzapur.svg/440px-IST-Mirzapur.svg.png 2x" data-file-width="1486" data-file-height="1734" /></a><figcaption>Situation de <a href="/wiki/Mirzapur" title="Mirzapur">Mirzapur</a> et du 82,5° de longitude, référence de l'heure normale de l'Inde</figcaption></figure> <p>L'heure normale de l'Inde est calculée sur la base de la <a href="/wiki/Longitude" title="Longitude">longitude</a> 82,5° qui passe juste à l'ouest de la ville de <a href="/wiki/Mirzapur" title="Mirzapur">Mirzapur</a> en <a href="/wiki/Uttar_Pradesh" title="Uttar Pradesh">Uttar Pradesh</a>. </p><p>La différence de longitude entre le méridien de Mirzapur et l'<a href="/wiki/Observatoire_royal_de_Greenwich" title="Observatoire royal de Greenwich">Observatoire royal de Greenwich</a> au <a href="/wiki/Royaume-Uni" title="Royaume-Uni">Royaume-Uni</a> est précisément de 5 heures et 30 minutes. L'heure locale est calculée à partir d'une <a href="/wiki/Tour_horloge" title="Tour horloge">tour horloge</a> à l'Observatoire d'Allahabad même si les dispositifs de maintien de l'heure légale sont confiés au <i><a href="/wiki/National_Physical_Laboratory" title="National Physical Laboratory">National Physical Laboratory</a></i> à <a href="/wiki/New_Delhi" title="New Delhi">New Delhi</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&veaction=edit&section=4" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Heure_normale_de_l%27Inde&action=edit&section=4" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a> </span><span class="reference-text"><span class="ouvrage" id="correspondance)2014"><span class="ouvrage" id="Julien_Bouissou_(New_Delhi_correspondance)2014">Julien Bouissou (New Delhi <span class="nom_auteur">correspondance)</span>, « <cite style="font-style:normal">L’Etat indien d’Assam veut un nouveau fuseau horaire</cite> », <i>Le Monde.fr</i>,‎ <time>2014</time> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Serial_Number" title="International Standard Serial Number">ISSN</a> <span class="plainlinks noarchive"><a rel="nofollow" class="external text" href="https://portal.issn.org/resource/issn/1950-6244">1950-6244</a></span>, <a rel="nofollow" class="external text" href="https://www.lemonde.fr/planete/article/2014/01/18/l-etat-indien-d-assam-veut-un-nouveau-fuseau-horaire_4350402_3244.html">lire en ligne</a>, consulté le <time class="nowrap" datetime="2015-11-02" data-sort-value="2015-11-02">2 novembre 2015</time>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=L%E2%80%99Etat+indien+d%E2%80%99Assam+veut+un+nouveau+fuseau+horaire&rft.jtitle=Le+Monde.fr&rft.aulast=correspondance%29&rft.aufirst=Julien+Bouissou+%28New+Delhi&rft.date=2014&rft.issn=1950-6244&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AHeure+normale+de+l%27Inde"></span></span></span></span> </li> </ol></div> </div> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="mw-image-border noviewer" typeof="mw:File"><a href="/wiki/Portail:Inde" title="Portail de l’Inde"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_India.svg/33px-Flag_of_India.svg.png" decoding="async" width="33" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_India.svg/50px-Flag_of_India.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_India.svg/66px-Flag_of_India.svg.png 2x" data-file-width="900" data-file-height="600" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Inde" title="Portail:Inde">Portail de l’Inde</a></span> </span></li> <li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Temps" title="Portail du temps"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Circle-icons-hourglass.svg/24px-Circle-icons-hourglass.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Circle-icons-hourglass.svg/36px-Circle-icons-hourglass.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/32/Circle-icons-hourglass.svg/48px-Circle-icons-hourglass.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Temps" title="Portail:Temps">Portail du temps</a></span> </span></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; 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