{"id":3680,"date":"2026-03-21T05:46:39","date_gmt":"2026-03-21T05:46:39","guid":{"rendered":"https:\/\/npk1169-001-site1.mtempurl.com\/?p=3680"},"modified":"2026-04-13T07:48:46","modified_gmt":"2026-04-13T07:48:46","slug":"precession-of-equinoxes-ayanamsa","status":"publish","type":"post","link":"https:\/\/www.bharatwisdom.com\/hi\/astronomy\/precession-of-equinoxes-ayanamsa\/","title":{"rendered":"Precession of Equinoxes (Ayanamsa) \u2013 The Wobble of the Earth"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1279.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p id=\"p-rc_e1e3db6af71809d1-779\" data-path-to-node=\"89\"><span data-path-to-node=\"89,0\"><b data-path-to-node=\"89,0\" data-index-in-node=\"0\">\u0905\u0935\u0927\u093e\u0930\u0923\u093e<\/b> <\/span><span data-path-to-node=\"89,2\"><span class=\"citation-3238\">The Earth wobbles on its axis, similar to a spinning top<\/span><\/span><span data-path-to-node=\"89,4\">. <\/span><span data-path-to-node=\"89,6\"><span class=\"citation-3237\">As a result, location of stars vary very slowly over thousands of years (about one degree every 72 years)<\/span><\/span><span data-path-to-node=\"89,8\">.<\/span><\/p>\n<p id=\"p-rc_e1e3db6af71809d1-780\" data-path-to-node=\"90\"><span data-path-to-node=\"90,0\"><b data-path-to-node=\"90,0\" data-index-in-node=\"0\">\u0915\u0939\u093e\u0928\u0940<\/b> <\/span><span data-path-to-node=\"90,2\"><span class=\"citation-3236\">The Earth does not just spin; it wobbles like a slowing top<\/span><\/span><span data-path-to-node=\"90,4\">. <\/span><span data-path-to-node=\"90,6\"><span class=\"citation-3235\">This movement, called the Precession of the Equinoxes, is so slow it takes 25,800 years to complete one circle<\/span><\/span><span data-path-to-node=\"90,8\">. <\/span><span data-path-to-node=\"90,10\"><span class=\"citation-3234\">While Hipparchus is often credited with &#8220;discovering&#8221; this in 127 BCE, ancient Indian texts had been tracking this &#8220;wobble&#8221; (<\/span><i data-path-to-node=\"90,10\" data-index-in-node=\"125\"><span class=\"citation-3234\">Ayanamsa<\/span><\/i><span class=\"citation-3234\">) for ages to keep their star-charts accurate<\/span><\/span><span data-path-to-node=\"90,12\">. <\/span><span data-path-to-node=\"90,14\"><span class=\"citation-3233\">They realized that the &#8220;North Star&#8221; isn&#8217;t a permanent title, but a position that changes over thousands of years<\/span><\/span><span data-path-to-node=\"90,16\">. <\/span><span data-path-to-node=\"90,18\"><span class=\"citation-3232\">Because of this precision, we can now &#8220;time-stamp&#8221; ancient Indian events based on the exact position of the stars described in the texts<\/span><\/span><span data-path-to-node=\"90,20\">.<\/span><\/p>\n<p data-path-to-node=\"91\"><b data-path-to-node=\"91\" data-index-in-node=\"0\">\u0938\u092e\u092f\u0930\u0947\u0916\u093e<\/b><\/p>\n<table data-path-to-node=\"92\">\n<thead>\n<tr>\n<td><strong>\u092e\u0940\u0932 \u0915\u093e \u092a\u0924\u094d\u0925\u0930<\/strong><\/td>\n<td><strong>\u0935\u093f\u0935\u0930\u0923<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"92,1,0,0\"><b data-path-to-node=\"92,1,0,0\" data-index-in-node=\"0\">\u092a\u0936\u094d\u091a\u093f\u092e\u0940 \u0938\u0902\u0926\u0930\u094d\u092d.<\/b><\/span><\/td>\n<td>\n<p id=\"p-rc_e1e3db6af71809d1-781\" data-path-to-node=\"92,1,1,0\"><span data-path-to-node=\"92,1,1,0,1\"><span class=\"citation-3231\">127 BCE (Hipparchus)<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"92,2,0,0\"><b data-path-to-node=\"92,2,0,0\" data-index-in-node=\"0\">\u092d\u093e\u0930\u0924\u0940\u092f \u0938\u094d\u0930\u094b\u0924<\/b><\/span><\/td>\n<td>\n<p id=\"p-rc_e1e3db6af71809d1-782\" data-path-to-node=\"92,2,1,0\"><span data-path-to-node=\"92,2,1,0,1\"><span class=\"citation-3230\">Prior to 10,000 BCE (<\/span><i data-path-to-node=\"92,2,1,0,1\" data-index-in-node=\"21\"><span class=\"citation-3230\">Surya Siddhanta<\/span><\/i><span class=\"citation-3230\">) <\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"92,3,0,0\"><b data-path-to-node=\"92,3,0,0\" data-index-in-node=\"0\">\u0915\u093e\u0932 \u0905\u0902\u0924\u0930\u093e\u0932<\/b><\/span><\/td>\n<td>\n<p id=\"p-rc_e1e3db6af71809d1-783\" data-path-to-node=\"92,3,1,0\"><span data-path-to-node=\"92,3,1,0,1\"><span class=\"citation-3229\">10,000 \u0935\u0930\u094d\u0937\u094b\u0902 \u0938\u0947 \u092d\u0940 \u0905\u0927\u093f\u0915<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"93\"><b data-path-to-node=\"93\" data-index-in-node=\"0\">\u092e\u0942\u0932 \u092a\u093e\u0920<\/b><\/p>\n<blockquote data-path-to-node=\"94\">\n<p id=\"p-rc_e1e3db6af71809d1-784\" data-path-to-node=\"94,0\"><span data-path-to-node=\"94,0,1\"><span class=\"citation-3228\">The <\/span><i data-path-to-node=\"94,0,1\" data-index-in-node=\"4\"><span class=\"citation-3228\">Surya Siddhanta<\/span><\/i><span class=\"citation-3228\"> (3.9-12) documents the mathematical models describing the oscillation of the equinoxes<\/span><\/span><span data-path-to-node=\"94,0,3\">.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/blockquote>\n<p id=\"p-rc_e1e3db6af71809d1-785\" data-path-to-node=\"95\"><span data-path-to-node=\"95,0\"><b data-path-to-node=\"95,0\" data-index-in-node=\"0\">\u0938\u0902\u092c\u0902\u0927\u093f\u0924 \u0928\u0935\u093e\u091a\u093e\u0930<\/b> <\/span><span data-path-to-node=\"95,2\"><span class=\"citation-3227\">The <\/span><i data-path-to-node=\"95,2\" data-index-in-node=\"4\"><span class=\"citation-3227\">Surya Siddhanta<\/span><\/i><span class=\"citation-3227\"> calculated the rate of axial precession, indicating a \u2018Great Year\u2019 of approximately 25,800 years<\/span><\/span><span data-path-to-node=\"95,4\">. <\/span><span data-path-to-node=\"95,6\"><span class=\"citation-3226\">Texts such as the <\/span><i data-path-to-node=\"95,6\" data-index-in-node=\"18\"><span class=\"citation-3226\">Vedanga Jyotisha<\/span><\/i><span class=\"citation-3226\"> (1,400 BCE) recorded equinoctial sites, allowing \u2018Star Dating\u2019 to determine their precise historical age<\/span><\/span><span data-path-to-node=\"95,8\">.<\/span><\/p>\n<p id=\"p-rc_e1e3db6af71809d1-786\" data-path-to-node=\"96\"><span data-path-to-node=\"96,0\"><b data-path-to-node=\"96,0\" data-index-in-node=\"0\">\u092e\u091c\u0947\u0926\u093e\u0930 \u0924\u0925\u094d\u092f<\/b> <\/span><span data-path-to-node=\"96,2\"><span class=\"citation-3225\">Because of this wobble, the \u2018North Star\u2019 during the Ramayana was most likely Vega rather than Polaris<\/span><\/span><span data-path-to-node=\"96,4\">. <\/span><span data-path-to-node=\"96,6\"><span class=\"citation-3224\">This is what antique star charts depict<\/span><\/span><span data-path-to-node=\"96,8\">.<\/span><\/p>\n<p id=\"p-rc_e1e3db6af71809d1-787\" data-path-to-node=\"97\"><span data-path-to-node=\"97,0\"><b data-path-to-node=\"97,0\" data-index-in-node=\"0\">\u0906\u0927\u0941\u0928\u093f\u0915 \u0935\u093f\u0930\u093e\u0938\u0924<\/b> <\/span><span data-path-to-node=\"97,2\"><span class=\"citation-3223\">Understanding precession is critical for predicting long-term climate cycles (Milankovitch cycles) and for successfully navigating deep space<\/span><\/span><span data-path-to-node=\"97,4\">.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":3524,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[75],"tags":[118,84,119,105,91,120,115,121,85,116,490,117],"class_list":["post-3680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomy","tag-ancient-mythology","tag-astronomy","tag-ayanamsa","tag-cosmology","tag-physics","tag-precession-of-equinoxes","tag-relativity","tag-star-dating","tag-surya-siddhanta","tag-time-dilation","tag-time-astronomy","tag-vishnu-purana"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>Precession of Equinoxes (Ayanamsa) \u2013 The Wobble of the Earth - 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