{"id":2203330,"date":"2026-10-16T19:40:46","date_gmt":"2026-10-16T16:40:46","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=2203330"},"modified":"2026-10-16T19:40:46","modified_gmt":"2026-10-16T16:40:46","slug":"ora-oficiala-a-lumii-se-schimba-din-2027-de-ce-se-schimba-sistemul-oficial-de-masurare-a-timpului","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=2203330","title":{"rendered":"Ora oficial\u0103 a lumii se schimb\u0103 din 2027. De ce se schimb\u0103 sistemul oficial de m\u0103surare a timpului"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.adh.reperio.news\/image-2\/2063a3b4-3267-43be-a2c8-926ff4939611\/index.jpeg?p=f%3Djpeg%26w%3D1200%26h%3D630%26r%3Dcover&#8221;]<\/p>\n<article class=\"svelte-x63bga\">\n<nav>\n<ul class=\"breadcrump svelte-1pk9a69\">\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/\" title=\"Adev\u0103rul\" class=\"svelte-1pk9a69\">Home<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\" class=\"svelte-1pk9a69\">Stil de via\u021b\u0103<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\" class=\"svelte-1pk9a69\">\u0218tiin\u021b\u0103<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/ora-oficiala-a-lumii-se-schimba-din-2027-de-ce-se-2564619.html\" class=\"svelte-1pk9a69\">Ora oficial\u0103 a lumii se schimb\u0103 din 2027. De ce se schimb\u0103 sistemul oficial de m\u0103surare a timpului<\/a><\/li>\n<\/ul>\n<\/nav>\n<p><main class=\"svelte-x63bga\"><\/p>\n<p>Sistemul interna\u021bional de m\u0103surare a timpului urmeaz\u0103 s\u0103 treac\u0103 printr-o schimbare important\u0103 \u00eencep\u00e2nd cu 20 mai 2027. Timpul Universal Coordonat (UTC), reperul folosit la nivel mondial pentru sincronizarea ceasurilor, nu va mai fi ajustat prin introducerea unor secunde suplimentare. Decizia a fost luat\u0103 joi, la reuniunea Conferin\u021bei Generale pentru M\u0103suri \u0219i Greut\u0103\u021bi, desf\u0103\u0219urat\u0103 la Versailles.\u00a0<\/p>\n<div class=\"container-image  svelte-1xbw4f3\"><source type=\"image\/webp\" srcset=\"https:\/\/cdn.adh.reperio.news\/image-2\/2063a3b4-3267-43be-a2c8-926ff4939611\/index.jpeg?p=a%3D1%26co%3D1.05%26w%3D1400%26h%3D750%26r%3Dcontain%26f%3Dwebp 1400w\" media=\"(min-width: 1400px)\" \/><\/p>\n<div class=\"caption svelte-1xbw4f3\"><span class=\"captionText svelte-1xbw4f3\">Sistemul interna\u021bional de m\u0103surare a timpului urmeaz\u0103 s\u0103 treac\u0103 printr-o schimbare.  <span class=\"source svelte-1xbw4f3\">Foto: Pixabay<\/span><\/span><\/div>\n<\/div>\n<p>M\u0103sura urm\u0103re\u0219te s\u0103 simplifice func\u021bionarea sistemelor care depind de sincronizarea exact\u0103 a timpului, de la re\u021belele de telecomunica\u021bii p\u00e2n\u0103 la infrastructura energetic\u0103 \u0219i serviciile digitale. Pentru publicul larg, schimbarea nu va fi sesizabil\u0103 \u00een activit\u0103\u021bile de zi cu zi,\u00a0 potrivit\u00a0<a href=\"https:\/\/www.euronews.com\/2026\/10\/16\/global-timekeeping-rules-change-leap-second-scrapped-from-2027\" rel=\"nofollow\">Euronews<\/a>.<\/p>\n<p>\u00cen prezent, exist\u0103 dou\u0103 repere importante pentru m\u0103surarea timpului. UTC este calculat pe baza ceasurilor atomice, recunoscute pentru precizia lor, \u00een timp ce timpul astronomic este determinat de\u00a0<a href=\"https:\/\/adevarul.ro\/stiri-interne\/evenimente\/oamenii-de-stiinta-avertizeaza-ca-se-intampla-ceva-2532149.html\">rota\u021bia P\u0103m\u00e2ntului.<\/a>\u00a0Cum planeta nu se rote\u0219te cu o vitez\u0103 perfect constant\u0103, \u00eentre cele dou\u0103 sisteme pot ap\u0103rea diferen\u021be.<\/p>\n<p>Pentru a le men\u021bine apropiate, din 1972 au fost introduse 27 de secunde intercalare. Ultima ajustare de acest fel a avut loc la sf\u00e2r\u0219itul anului 2016. \u00cen astfel de situa\u021bii, un minut putea avea, \u00een mod excep\u021bional, 61 de secunde.<\/p>\n<p>De\u0219i oamenii nu percep practic aceste diferen\u021be, calculatoarele \u0219i infrastructurile digitale pot fi afectate de asemenea corec\u021bii. Introducerea unei secunde suplimentare necesit\u0103 adapt\u0103ri tehnice, iar \u00een trecut au fost raportate disfunc\u021bionalit\u0103\u021bi \u00een anumite sisteme informatice \u0219i servicii online.<\/p>\n<p>Telecomunica\u021biile, naviga\u021bia prin satelit, re\u021belele de energie \u0219i numeroase platforme digitale se bazeaz\u0103 pe sincronizarea precis\u0103 a ceasurilor. Eliminarea ajust\u0103rilor periodice ar urma s\u0103 reduc\u0103 riscul unor erori \u0219i s\u0103 fac\u0103 sistemul mai u\u0219or de administrat.<\/p>\n<h2>Rota\u021bia P\u0103m\u00e2ntului a complicat calculele<\/h2>\n<p>Un alt motiv care a determinat reevaluarea sistemului este comportamentul variabil al\u00a0<a href=\"https:\/\/adevarul.ro\/stiri-interne\/evenimente\/oamenii-de-stiinta-avertizeaza-ca-se-intampla-ceva-2532149.html\">rota\u021biei planetei.\u00a0<\/a>De\u0219i, pe perioade foarte lungi, for\u021bele mareice tind s\u0103 \u00eencetineasc\u0103 rota\u021bia P\u0103m\u00e2ntului, \u00een ultimii ani au existat intervale \u00een care planeta s-a rotit ceva mai repede.<\/p>\n<p>Aceast\u0103 evolu\u021bie a ridicat posibilitatea introducerii unei secunde intercalare negative, ceea ce ar presupune eliminarea unei secunde, \u00een locul ad\u0103ug\u0103rii uneia. O asemenea ajustare nu a mai fost aplicat\u0103 p\u00e2n\u0103 acum, iar efectele sale asupra sistemelor tehnice sunt dificil de anticipat.<\/p>\n<p>\u00cen acest context, comunitatea interna\u021bional\u0103 a decis s\u0103 renun\u021be la actualul mecanism de corectare periodic\u0103 a UTC. \u00cen urma schimb\u0103rii, diferen\u021ba dintre timpul oficial \u0219i cel astronomic va putea cre\u0219te treptat, p\u00e2n\u0103 la aproximativ 3.600 de secunde, echivalentul unei ore.<\/p>\n<p>O asemenea diferen\u021b\u0103 nu este a\u0219teptat\u0103 \u00een viitorul apropiat, astfel c\u0103 m\u0103sura are \u00een principal un caracter preventiv \u0219i urm\u0103re\u0219te stabilitatea sistemului pe termen lung.<\/p>\n<p>Conferin\u021ba General\u0103 pentru M\u0103suri \u0219i Greut\u0103\u021bi este organismul interna\u021bional \u00een cadrul c\u0103ruia reprezentan\u021bii statelor membre discut\u0103 \u0219i adopt\u0103 decizii privind standardele de m\u0103surare. Reuniunile au loc, de regul\u0103, o dat\u0103 la patru ani.<\/p>\n<p>Potrivit Biroului Interna\u021bional pentru M\u0103suri \u0219i Greut\u0103\u021bi, organiza\u021bia reune\u0219te 69 de state membre \u0219i 34 de state \u0219i economii asociate. Printre \u021b\u0103rile participante se num\u0103r\u0103 numeroase state europene, precum Germania, Fran\u021ba, Italia, Spania \u0219i Regatul Unit, dar \u0219i Statele Unite, Canada, Brazilia, China, Japonia, India, Australia \u0219i Noua Zeeland\u0103.<\/p>\n<p>Activitatea acestui organism contribuie la stabilirea unor standarde comune, esen\u021biale pentru cercetare, industrie, comer\u021b \u0219i func\u021bionarea tehnologiilor moderne.<\/p>\n<h2>Ce se schimb\u0103 pentru oamenii obi\u0219nui\u021bi<\/h2>\n<p>\u00cen via\u021ba de zi cu zi, eliminarea secundei intercalare nu va modifica modul \u00een care oamenii citesc ora pe ceasuri sau pe telefoane. Schimbarea nu are leg\u0103tur\u0103 cu trecerea la ora de var\u0103 ori la ora de iarn\u0103, iar regulile privind ajustarea sezonier\u0103 a orei nu sunt vizate de aceast\u0103 decizie.<\/p>\n<p>Efectele vor fi resim\u021bite \u00een special \u00een domeniile \u00een care sincronizarea trebuie s\u0103 fie extrem de precis\u0103, precum astronomia, geodezia \u0219i anumite aplica\u021bii bazate pe sateli\u021bi. \u00cen aceste sectoare, rota\u021bia P\u0103m\u00e2ntului va continua s\u0103 fie monitorizat\u0103, chiar dac\u0103 timpul oficial nu va mai fi corectat periodic pentru a \u021bine pasul cu aceasta.<\/p>\n<p>Speciali\u0219tii vor trebui, a\u0219adar, s\u0103 urm\u0103reasc\u0103 separat diferen\u021ba dintre UTC \u0219i timpul astronomic. Obiectivul este ca sistemul interna\u021bional de m\u0103surare a timpului s\u0103 devin\u0103 mai stabil \u0219i mai u\u0219or de utilizat, \u00een special pentru infrastructurile digitale care nu pot gestiona cu u\u0219urin\u021b\u0103 ajust\u0103rile introduse la intervale neregulate.<\/p>\n<p><\/main><\/p>\n<footer class=\"svelte-x63bga\">\n<div class=\"related-wrap related-footer svelte-78g0vl\"><span class=\"related-label svelte-78g0vl\">Cite\u0219te \u0219i<\/span><a class=\"related svelte-78g0vl\" data-gtrack=\"{&quot;event&quot;:&quot;utm_click&quot;,&quot;data&quot;:{&quot;event_category&quot;:&quot;article_related&quot;}}\" href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/astazi-este-una-dintre-cele-mai-scurte-zile-din-2462535.html\" title=\"Alt articol de interes pentru tine\"><img decoding=\"async\" class=\"thumb svelte-78g0vl\" src=\"https:\/\/cdn.adh.reperio.news\/image-a\/a90bb435-17df-4fdb-8b20-f2e16a6bc7e4\/index.jpeg?p=f%3Dwebp%26w%3D120%26h%3D80%26r%3Dcover%26a%3D0\" alt loading=\"lazy\" width=\"80\" height=\"54\"><span class=\"title svelte-78g0vl\">Ast\u0103zi este una dintre cele mai scurte zile din istorie. 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De ce se schimb\u0103 sistemul oficial de m\u0103surare a timpului Sistemul interna\u021bional de m\u0103surare a timpului urmeaz\u0103 s\u0103 treac\u0103 printr-o schimbare important\u0103 \u00eencep\u00e2nd cu 20 mai 2027. Timpul Universal Coordonat (UTC), reperul folosit la nivel mondial pentru sincronizarea ceasurilor, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[19,226],"class_list":["post-2203330","post","type-post","status-publish","format-standard","hentry","category-romania","tag-adevarul","tag-crawlmanager"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2203330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2203330"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2203330\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2203330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2203330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2203330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}