{"id":87605,"date":"2012-06-30T11:24:36","date_gmt":"2012-06-30T09:24:36","guid":{"rendered":"http:\/\/www.pcnen.com\/portal\/?p=87605"},"modified":"2012-06-30T11:24:36","modified_gmt":"2012-06-30T09:24:36","slug":"subota-duza-za-jednu-sekundu","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2012\/06\/30\/subota-duza-za-jednu-sekundu\/","title":{"rendered":"Subota du\u017ea za jednu sekundu"},"content":{"rendered":"<p><a href=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/06\/sec.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-87606\" title=\"sec\" src=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/06\/sec.jpg\" alt=\"\" width=\"200\" height=\"52\" srcset=\"https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/06\/sec.jpg 200w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/06\/sec-75x19.jpg 75w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a>No\u0107 izme\u0111u subote i nedelje traja\u0107e po svetskom \u010dasovniku jednu sekundu du\u017ee jer \u0107e nau\u010dnici koji mere vreme, neposredno pred pono\u0107 dodati &#8220;prestupnu sekundu&#8221;.<\/p>\n<p>U no\u0107i izme\u0111u 30. juna i 1. jula, zvani\u010dno vreme bi\u0107e produ\u017eeno za jednu &#8220;prestupnu sekundu&#8221;: posle 23:59:59 na satu \u0107e pisati neuobi\u010dajenih 23:59:60 &#8211; to \u0107e biti ta dodatna sekunda, a zatim \u0107e zvani\u010dni satovi sveta ponovo pokazati upobi\u010dajeno vreme: 00:00:00.<\/p>\n<p>Svi elektronski ure\u0111aji bi\u0107e sinhronizovani sa novim malo promenjenim vremenom.<\/p>\n<p>Glavni razlog za dodavanje sekunde je vreme za koje Zemlja napravi jedan krug oko svoje ose. Zbog privla\u010dne sile Meseca, Zemlja usporava okretanje, te se to vreme u poslednjih 100 godina pove\u0107alo za pribli\u017eno tri milisekunde. A za godinu dana se tako nakupe tri \u010detvrtine jedne sekunde, ka\u017ee Daniel Gambis, \u0161ef slu\u017ebe za merenje vremena u Parizu.<\/p>\n<p>Tako se prestupna sekunda dodaje se s vremena na vreme, kako bi Sunce u podne uvek bilo na najvi\u0161oj ta\u010dki, bar tokom leta.<\/p>\n<p>Poslednja prestupna sekunda, 25. po redu, dodata je januara 2009. Slede\u0107a prestupna sekunda mogla bi biti dodata 2015. ili 2016. godine.<\/p>\n<p>Nau\u010dnici koji se bave merenjem vremena su ove godine polemisali o mogu\u0107em ukidanju dodavanja prestupnih sekundi, ali su se slo\u017eili da to treba da jo\u0161 razmotre. Ponovo \u0107e o tome razgovarati 2015. godine.<\/p>\n<p>Beta<\/p>\n","protected":false},"excerpt":{"rendered":"<p>No\u0107 izme\u0111u subote i nedelje traja\u0107e po svetskom \u010dasovniku jednu sekundu du\u017ee jer \u0107e nau\u010dnici koji mere vreme, neposredno pred pono\u0107 dodati &#8220;prestupnu sekundu&#8221;. U no\u0107i izme\u0111u 30. juna i 1. jula, zvani\u010dno vreme bi\u0107e produ\u017eeno za jednu &#8220;prestupnu sekundu&#8221;: posle 23:59:59 na satu \u0107e pisati neuobi\u010dajenih 23:59:60 &#8211; to \u0107e biti ta dodatna sekunda, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":87606,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-87605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-svastara"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/87605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=87605"}],"version-history":[{"count":0,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/87605\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media\/87606"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=87605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=87605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=87605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}