{"id":488633,"date":"2026-10-17T00:27:25","date_gmt":"2026-10-17T00:27:25","guid":{"rendered":"http:\/\/6a7f4ac0-c9b7-11f1-8eb3-07842cd971a8"},"modified":"2026-10-17T00:27:25","modified_gmt":"2026-10-17T00:27:25","slug":"cambia-la-forma-de-medir-el-tiempo-por-que-ya-no-seguira-el-ritmo-exacto-de-la-rotacion-terrestre","status":"publish","type":"post","link":"https:\/\/sarmiento24h.com\/?p=488633","title":{"rendered":"Cambia la forma de medir el tiempo: \u00bfpor qu\u00e9 ya no seguir\u00e1 el ritmo exacto de la rotaci\u00f3n terrestre?"},"content":{"rendered":"<div class=\"m-master-tag\">\n<p> <span class=\"a-section-color\"><\/span> Ciencia y tecnolog\u00edas <\/p>\n<\/p><\/div>\n<div class=\"o-video-player o-video-player--16x9 t-content__main-media \" data-media-video-7f46a430-80a7-4de2-99e8-79b63fe91c18 data-show-hidden-video-player=\"7F46A430-80A7-4DE2-99E8-79B63FE91C18\" data-wrapper-video-player data-autoplay-video-link data-youtube-script>\n<div class=\"o-em-consent \" readability=\"7\">\n<div class=\"o-em-consent__content\" readability=\"9\">\n<p class=\"o-em-consent__content__text\">Para mostrar este contenido de YouTube, debe autorizar las cookies de medici\u00f3n de audiencia y publicidad.<\/p>\n<p> <button class=\"a-master-button a-master-button--dark\" data-action=\"accept\"> Aceptar <svg class=\"a-svg a-svg--icon-check\"> <use xlink:href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-check\" href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-check\" \/> <\/svg> <\/button> <button class=\"a-link\" data-action=\"manage\">Gestionar mis opciones <svg class=\"a-svg a-svg--icon-edit\"> <use xlink:href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-edit\" href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-edit\" \/> <\/svg><br \/>\n<\/button> <\/div>\n<\/div>\n<div class=\"o-em-adblock\" data-adblock-content readability=\"7\">\n<div class=\"o-em-adblock__content\" readability=\"9\">\n<p class=\"o-em-adblock__content__text\">Una extensi\u00f3n de tu navegador parece estar bloqueando la carga del reproductor de video. Para poder ver este contenido, debes desactivarla en este sitio.<\/p>\n<p> <button class=\"a-master-button a-master-button--dark\" data-action=\"reload\">Reintentar<\/button> <\/div>\n<\/div>\n<figure class=\"m-item-image m-item-image--16x9 m-item-image--has-caption\"> <picture class=\"a-picture a-picture--16x9\"><source type=\"image\/webp\" srcset=\"https:\/\/s.france24.com\/media\/display\/ebc5ce24-331c-11f1-a112-005056a90284\/w:388\/p:16x9\/AP26097509348086.webp 388w, https:\/\/s.france24.com\/media\/display\/ebc5ce24-331c-11f1-a112-005056a90284\/w:720\/p:16x9\/AP26097509348086.webp 720w, https:\/\/s.france24.com\/media\/display\/ebc5ce24-331c-11f1-a112-005056a90284\/w:1024\/p:16x9\/AP26097509348086.webp 1024w\" sizes=\"(max-width: 1076px) 100vw, 1012px\"><img fetchpriority=\"high\" decoding=\"auto\" src=\"https:\/\/s.france24.com\/media\/display\/ebc5ce24-331c-11f1-a112-005056a90284\/w:1024\/p:16x9\/AP26097509348086.jpg\" srcset=\"https:\/\/s.france24.com\/media\/display\/ebc5ce24-331c-11f1-a112-005056a90284\/w:388\/p:16x9\/AP26097509348086.jpg 388w, https:\/\/s.france24.com\/media\/display\/ebc5ce24-331c-11f1-a112-005056a90284\/w:720\/p:16x9\/AP26097509348086.jpg 720w, https:\/\/s.france24.com\/media\/display\/ebc5ce24-331c-11f1-a112-005056a90284\/w:1024\/p:16x9\/AP26097509348086.jpg 1024w\" sizes=\"(max-width: 1076px) 100vw, 1012px\" width=\"1024\" height=\"576\" alt=\"La Tierra desaparece tras la Luna durante el sobrevuelo de este cuerpo celeste por la misi\u00f3n Artemis II.\" loading=\"eager\" class=\"a-img \">\n<\/picture><figcaption class=\"a-figcaption\"> Imagen de portada: La Tierra desaparece tras la Luna durante el sobrevuelo de este cuerpo celeste por la misi\u00f3n Artemis II el 6 de abril de 2026. \u00a9 Nasa via AP <\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"t-content__metadata\" readability=\"6\">\n<div class=\"t-content__dates\" readability=\"7\">\n<p class=\"m-pub-dates\"><span class=\"m-pub-dates__date\">Primera modificaci\u00f3n: <time datetime=\"2026-10-17T00:09:55+00:00\" pubdate=\"pubdate\">17\/10\/2026 &#8211; 02:09<\/time><\/span><\/p>\n<\/p><\/div>\n<p> <svg class=\"a-svg a-svg--icon-replay\"> <use xlink:href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-replay\" href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-replay\" \/> <\/svg> 09:56 min <\/p>\n<\/p><\/div>\n<p> <a href=\"https:\/\/www.france24.com\/es\/programas\/en-contexto\/\" class=\"t-content__program m-program\"> <\/p>\n<p>Viene del show<\/p>\n<p> <svg class=\"a-svg a-svg--icon-caret-right a-svg--rotate-minus-90\"> <use xlink:href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-caret-down\" href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-caret-down\" \/> <\/svg> <picture class=\"a-picture a-picture--original\"> <img fetchpriority=\"low\" decoding=\"async\" src=\"https:\/\/s.france24.com\/media\/display\/e2e4c82a-57f1-11f0-957f-005056a97e36\/ES-En-contexto-1.svg\" srcset=\"https:\/\/s.france24.com\/media\/display\/e2e4c82a-57f1-11f0-957f-005056a97e36\/ES-En-contexto-1.svg\" alt=\"En Contexto\" loading=\"eager\" class=\"a-img a-img--svg\">\n<\/picture> <\/a> <\/p>\n<p> <svg class=\"a-svg a-svg--icon-clock\"> <use xlink:href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-clock\" href=\"\/build\/images\/svg\/sprite.68b43361c11f23b39049016b32e6ae31.svg#icon-clock\" \/> <\/svg> <span class=\"t-content__reading-time__label\">Tiempo de lectura<\/span> 1 min<\/p>\n<p class=\"t-content__chapo\"> En nuestra secci\u00f3n &#8216;En Contexto&#8217; analizamos el cambio en la medici\u00f3n del tiempo. La comunidad cient\u00edfica internacional introdujo una forma nueva que ya no supone seguir el ritmo exacto de la rotaci\u00f3n terrestre. Las empresas tecnol\u00f3gicas ven\u00edan demandando esta modificaci\u00f3n para evitar desastres de diversos tipos. \u00bfEs el mismo temor al que se vivi\u00f3 durante el cambio de milenio? \u00bfQu\u00e9 pasar\u00e1 ahora? <\/p>\n<aside data-org-name=\"guest-list\" data-org-type=\"aside-content--guest-list\" class=\"o-aside-content o-aside-content--guest-list\">\n<div class=\"m-section-title m-section-title--small\">\n<p class=\"a-section-title\" role=\"heading\" aria-level=\"2\"><span class=\"a-section-title__label\">Nuestros invitados<\/span><\/p>\n<\/p><\/div>\n<ul class=\"o-aside-content__guest-list m-bullet-list\">\n<li class=\"m-bullet-list__item\">\n<p> <span class=\"m-guest__name\">Dacil Lanza<\/span><\/p>\n<\/li>\n<\/ul>\n<\/aside>\n","protected":false},"excerpt":{"rendered":"<p>Ciencia y tecnolog\u00edas Para mostrar este contenido&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":488634,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[43],"tags":[],"class_list":["post-488633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-internacionales"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cambia la forma de medir el tiempo: \u00bfpor qu\u00e9 ya no seguir\u00e1 el ritmo exacto de la rotaci\u00f3n terrestre? 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