{"id":10115,"date":"2024-03-04T01:46:19","date_gmt":"2024-03-03T23:46:19","guid":{"rendered":"https:\/\/uni-mag.gr\/el-ano-bisiesto\/"},"modified":"2024-03-18T21:06:49","modified_gmt":"2024-03-18T19:06:49","slug":"el-ano-bisiesto","status":"publish","type":"post","link":"https:\/\/www.uni-mag.gr\/es\/el-ano-bisiesto\/","title":{"rendered":"El a\u00f1o bisiesto."},"content":{"rendered":"\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p>Los primeros calendarios en la historia humana ten\u00edan como objetivo determinar los ciclos del sol y la luna para conocer las estaciones y el tiempo. De los antiguos egipcios, sumerios y babilonios tenemos los primeros calendarios que se basaban en la observaci\u00f3n del mundo natural que los rodeaba, con el prop\u00f3sito de saber cu\u00e1les eran las mejores \u00e9pocas para programar los per\u00edodos de agricultura y cosecha, es decir, para conocer si las condiciones clim\u00e1ticas ser\u00edan adecuadas en el momento apropiado. <\/p>\n\n<p>La tecnolog\u00eda avanz\u00f3, la curiosidad del hombre por conocer el mundo y determinar el tiempo creci\u00f3, y se realizaron mediciones mucho m\u00e1s precisas para que los calendarios modernos puedan sincronizar el movimiento de la Tierra alrededor de nuestra estrella, el sol.<\/p>\n\n<p>El calendario romano, espec\u00edficamente el calendario juliano, introducido por Julio C\u00e9sar hace aproximadamente 2070 a\u00f1os, reform\u00f3 los calendarios de la \u00e9poca al agregar un d\u00eda adicional cada cuatro a\u00f1os, creando as\u00ed los a\u00f1os bisiestos. <\/p>\n\n<p>Un a\u00f1o bisiesto es un a\u00f1o que tiene 366 d\u00edas en lugar de 365, asignando el d\u00eda adicional al mes de febrero, que se llama 29 de febrero.<\/p>\n\n<p>\u00bfPor qu\u00e9 sucede esto? La rotaci\u00f3n f\u00edsica de la Tierra alrededor del sol no es exactamente un a\u00f1o (365 d\u00edas), sino un a\u00f1o y un cuarto de d\u00eda, es decir, 365.25 d\u00edas. Cada cuatro a\u00f1os, esos cuartos de d\u00eda se suman, y el d\u00eda adicional se estableci\u00f3 para que la duraci\u00f3n temporal del calendario humano coincida con el tiempo f\u00edsico de rotaci\u00f3n de la Tierra.<\/p>\n\n<p>\u00bfQu\u00e9 pasar\u00eda si esto no hubiera ocurrido? <br\/>Despu\u00e9s de algunas d\u00e9cadas, las estaciones, tal como las conocemos, se desplazar\u00edan y se ver\u00eda afectada la producci\u00f3n agr\u00edcola, as\u00ed como los eventos sociales en el calendario humano (Navidad, festividades), se desorganizar\u00edan y perder\u00edamos la sincronizaci\u00f3n con los ciclos naturales de la Tierra, el amanecer y el atardecer. <\/p>\n\n<p>Antes de agregar el d\u00eda extra, se intentaban corregir el calendario mediante ajustes en los meses seg\u00fan el ciclo lunar o haciendo correcciones adicionales, a\u00f1adiendo meses y otras medidas, pero C\u00e9sar, con su propia reforma, hizo que la medici\u00f3n del tiempo fuera m\u00e1s precisa en relaci\u00f3n con las estaciones y las constelaciones. <br\/><a href=\"https:\/\/en.wikipedia.org\/wiki\/1700\">https:\/\/en.wikipedia.org\/wiki\/1700<\/a><\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/stonehenge.jpeg\" alt=\"\" class=\"wp-image-9895\" srcset=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/stonehenge.jpeg 1024w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/stonehenge-300x225.jpeg 300w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/stonehenge-768x576.jpeg 768w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/stonehenge-267x200.jpeg 267w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<p>Se trata de Stonehenge, un monumento neol\u00edtico en el sur de Inglaterra, que alinea con el sol durante los equinoccios de primavera y oto\u00f1o, cuando el sol pasa sobre las &#8220;pir\u00e1mides&#8221; de piedra. Quiz\u00e1s una de las primeras construcciones que med\u00edan el tiempo, quiz\u00e1s incluso uno de los primeros observatorios astron\u00f3micos. <em>Credits: Rupert Jones\/Flickr<\/em><\/p>\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/aztec-sun-stone-1416.jpg\" alt=\"\" class=\"wp-image-9899\" style=\"width:836px;height:auto\" srcset=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/aztec-sun-stone-1416.jpg 640w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/aztec-sun-stone-1416-300x225.jpg 300w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/aztec-sun-stone-1416-267x200.jpg 267w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n<p>El calendario solar de los aztecas ten\u00eda un a\u00f1o de 260 d\u00edas y se sincronizaba con varios eventos astron\u00f3micos y festividades religiosas. Se divid\u00eda en segmentos m\u00e1s peque\u00f1os (algo as\u00ed como los meses), cada uno con 20 d\u00edas. Cada d\u00eda de estos ten\u00eda su propio nombre, s\u00edmbolo y significado, mientras que tambi\u00e9n hab\u00eda otro nivel de subdivisi\u00f3n para segmentos, cada uno con sus propias cualidades. Cuando hab\u00edan pasado 20 d\u00edas por cada uno de los 13 segmentos, se completaba un a\u00f1o. <em>Credits: Dennis Jarvis, CC<\/em><\/p>\n\n<p> <a href=\"https:\/\/www.worldhistory.org\/article\/896\/the-aztec-calendar\/#:~:text=The%20Aztecs%20used%20a%20sacred,originally%20based%20on%20astronomical%20observations.\">https:\/\/www.worldhistory.org\/article\/896\/the-aztec-calendar\/#:~:text=The%20Aztecs%20used%20a%20sacred,originally%20based%20on%20astronomical%20observations.<\/a><\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1018\" height=\"1024\" src=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian-1018x1024.jpeg\" alt=\"\" class=\"wp-image-9903\" srcset=\"https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian-1018x1024.jpeg 1018w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian-298x300.jpeg 298w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian-150x150.jpeg 150w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian-768x773.jpeg 768w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian-1527x1536.jpeg 1527w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian-199x200.jpeg 199w, https:\/\/www.uni-mag.gr\/wp-content\/uploads\/2024\/03\/summerian.jpeg 1810w\" sizes=\"auto, (max-width: 1018px) 100vw, 1018px\" \/><\/figure>\n<p>De los primeros calendarios que siguieron las fases de la luna para dividir el a\u00f1o, ten\u00edan doce meses con 29 o 30 d\u00edas. <br\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"card-text\">Los primeros calendarios en la historia humana ten\u00edan como objetivo&#8230; [&#8230;]<\/p>\n<p class=\"m-0\"><a class=\"btn btn-outline-secondary btn-read-more\" href=\"https:\/\/www.uni-mag.gr\/es\/el-ano-bisiesto\/\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":9910,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[769,1592],"tags":[1704,1709,1710,1701,1702,1712,1703,1711,1706,1705,1707,1708],"class_list":["post-10115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-issues-es","category-issue-07-es","tag-366-dias","tag-ano","tag-ano-es","tag-ano-bisiesto","tag-ano-bisiesto-es","tag-aztecas","tag-calendario","tag-decada","tag-dia","tag-febrero","tag-mes","tag-semana"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El a\u00f1o bisiesto. | UNI-MAG<\/title>\n<meta name=\"description\" content=\"Los primeros calendarios en la historia humana ten\u00edan como objetivo determinar los ciclos del sol y la luna para conocer las estaciones y el tiempo.\" \/>\n<meta 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