{"id":1489,"date":"2026-06-19T13:07:10","date_gmt":"2026-06-19T05:07:10","guid":{"rendered":"https:\/\/thezodiaclore.com\/why-12-animals-chinese-zodiac-astronomy\/"},"modified":"2026-09-16T09:35:09","modified_gmt":"2026-09-16T01:35:09","slug":"pourquoi-y-a-t-il-12-animaux-dans-le-zodiaque-chinois-astronomie","status":"publish","type":"page","link":"https:\/\/thezodiaclore.com\/fr\/why-12-animals-chinese-zodiac-astronomy\/","title":{"rendered":"Pourquoi le zodiaque chinois compte 12 animaux : l'explication astronomique"},"content":{"rendered":"\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"BreadcrumbList\",\n  \"itemListElement\": [\n    {\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/thezodiaclore.com\/\"},\n    {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Why 12 Animals\", \"item\": \"https:\/\/thezodiaclore.com\/why-12-animals-chinese-zodiac-astronomy\/\"}\n  ]\n}\n<\/script>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why does the Chinese zodiac cycle last 12 years?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 12-year cycle comes from Jupiter's orbital period. Jupiter takes about 11.86 Earth years to circle the Sun, which the ancient Chinese rounded to 12 years and used as a calendrical unit.\"}},{\"@type\":\"Question\",\"name\":\"What is the Year Star (\u5c81\u661f) in Chinese astronomy?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Year Star (\u5c81\u661f, Su\u00ecx\u012bng) is the Chinese name for Jupiter. It was called the Year Star because its roughly 12-year orbital cycle was used to mark the passage of years in ancient Chinese calendrical astronomy.\"}},{\"@type\":\"Question\",\"name\":\"What are the Twelve Stations (\u5341\u4e8c\u6b21)?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Twelve Stations are 12 segments of the sky that ancient Chinese astronomers divided the ecliptic into. Jupiter passed through roughly one station per year, and each station was linked to one of the 12 Earthly Branches.\"}},{\"@type\":\"Question\",\"name\":\"Were the 12 zodiac animals always the same?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The earliest known lists, from Qin dynasty bamboo slip Daybooks (c. 239\u2013217 BCE), included a deer where we now have Horse, and an old goat where we now have Dog. The animal list was not fully standardized until the Tang dynasty (618\u2013907 CE).\"}},{\"@type\":\"Question\",\"name\":\"What is the oldest record of the Chinese zodiac animals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The oldest known written records of the earthly branch-animal pairing are two Qin dynasty Daybook manuscripts: the Fangmatan slips (c. 239 BCE) and the Sleeping Tiger slips (c. 217 BCE). The Sleeping Tiger version contains the chapter \\\"The Thief\\\" (\u76d7\u8005) with the most detailed animal descriptions.\"}},{\"@type\":\"Question\",\"name\":\"Is the Chinese zodiac purely astronomical?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 12-year cycle has an astronomical basis in Jupiter's orbit, but the choice of which 12 animals to include was a cultural decision that evolved over centuries. The zodiac is a blend of astronomy, calendar-keeping, and folk tradition.\"}},{\"@type\":\"Question\",\"name\":\"How does this relate to the Five Elements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Five Elements (\u4e94\u884c) system is a separate layer. Each zodiac year carries an element from the Heavenly Stem, not from the Earthly Branch or animal sign. The Earthly Branches also have their own element associations in the Five Elements framework \u2014 these are two different systems and should not be confused.\"}}]}<\/script>\n<style>\n\/* The Zodiac Lore \u2014 Style B brand-unified *\/\n.tzl-page{\n  --bg:#fff;--ink:#0a0a0a;--soft:#3a3a3a;--grey:#5c5c5c;--muted:#9a9a9a;--line:#e6e6e6;\n  --accent:#e1391b;--accent-dark:#b02a12;\n  --sans:\"Archivo\",Arial,sans-serif;--mono:\"Spline Sans Mono\",ui-monospace,monospace;\n  --zh:\"Noto Sans SC\",\"PingFang SC\",\"Microsoft YaHei\",sans-serif;\n  max-width:1040px;margin:0 auto;color:var(--ink);background:var(--bg);\n  font-family:var(--sans);font-size:17px;line-height:1.7;\n}\n.tzl-page *{box-sizing:border-box}\n.tzl-page a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(225,57,27,.35)}\n.tzl-page a:hover{color:var(--ink);border-bottom-color:var(--ink)}\n.tzl-hero{position:relative;background:var(--bg);padding:40px 0 36px;margin:8px 0;overflow:hidden;border-top:2px 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page.insertBefore(nav,page.firstChild);\n  }\n  if(document.readyState!=='loading')go();else document.addEventListener('DOMContentLoaded',go);\n})();\n<\/script>\n<div class=\"tzl-page\">\n\n<!-- Hero -->\n<section class=\"tzl-hero\">\n  <div class=\"tzl-kicker\">Astronomical origins<\/div>\n  <h2>Why Does the Chinese Zodiac Have 12 Animals? The Astronomical Answer<\/h2>\n  <p>The number twelve didn&#8217;t come from a folk tale. It came from the sky.<\/p>\n  <p class=\"hero-meta\">Astronomical origins \u00b7 Zodiac foundations \u00b7 <a href=\"#editorial-note\">Editorial note<\/a><\/p>\n<\/section>\n\n<!-- Opening -->\n<section class=\"tzl-section\">\n  <p>The Chinese zodiac runs in 12-year cycles. Every year belongs to one of twelve animals \u2014 Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, Pig \u2014 and after twelve years, the cycle starts over. This is familiar to anyone who has looked up their birth sign.<\/p>\n\n  <p>But <strong>why twelve<\/strong>? Why not ten, or eight, or twenty?<\/p>\n\n  <p>The straightforward answer is &#8220;because there are 12 Earthly Branches&#8221; \u2014 \u5b50\u4e11\u5bc5\u536f\u8fb0\u5df3\u5348\u672a\u7533\u9149\u620c\u4ea5 \u2014 and each branch pairs with an animal. But that only pushes the question back one step: why are there 12 Earthly Branches in the first place?<\/p>\n\n  <p>The real answer is astronomical. The number twelve in the Chinese zodiac comes directly from <strong>Jupiter<\/strong> \u2014 the planet the ancient Chinese called the Year Star (\u5c81\u661f, <em>Su\u00ecx\u012bng<\/em>).<\/p>\n<\/section>\n\n<!-- Jupiter -->\n<section class=\"tzl-section\">\n  <h2>Jupiter: the planet that set the rhythm<\/h2>\n\n  <p>Jupiter takes approximately <strong>11.86 Earth years<\/strong> to complete one orbit around the Sun <a href=\"https:\/\/en.wikipedia.org\/wiki\/Jupiter\" rel=\"nofollow noopener\" target=\"_blank\">(Jupiter orbital data, Wikipedia)<\/a>. To the ancient Chinese astronomers tracking the night sky without telescopes, that period was close enough to 12 years that they treated it as a regular 12-year cycle.<\/p>\n\n  <p>Every year, Jupiter appeared to move one step eastward against the fixed stars. After twelve years, it returned to roughly its starting position. This regularity made it a natural <strong>celestial clock<\/strong> \u2014 a way to mark the passage of years without depending on seasonal markers like solstices or harvests.<\/p>\n\n  <p>In Chinese astronomical tradition, this system is called <strong>\u5c81\u661f\u7eaa\u5e74\u6cd5<\/strong> (<em>Su\u00ecx\u012bng J\u00ecni\u00e1n F\u01ce<\/em>, the Year Star calendrical method). It is one of the oldest documented calendrical systems in Chinese civilization <a href=\"https:\/\/baike.baidu.com\/item\/%E5%B2%81%E6%98%9F%E7%BA%AA%E5%B9%B4%E6%B3%95\" rel=\"nofollow noopener\" target=\"_blank\">(\u5c81\u661f\u7eaa\u5e74\u6cd5, Baidu Baike)<\/a>.<\/p>\n<\/section>\n\n<!-- Twelve Stations -->\n<section class=\"tzl-section\">\n  <h2>Dividing the sky: the Twelve Stations (\u5341\u4e8c\u6b21)<\/h2>\n\n  <p>Once the 12-year rhythm was recognized, the next step was to divide the sky into 12 corresponding sectors. These are called the <strong>Twelve Stations<\/strong> (\u5341\u4e8c\u6b21, <em>Sh\u00ed&#8217;\u00e8r C\u00ec<\/em>). Each station was a segment of the sky that Jupiter passed through in roughly one year.<\/p>\n\n  <div class=\"tzl-table-wrap\">\n  <table>\n    <thead>\n      <tr><th>Station<\/th><th>Chinese name<\/th><th>Western zodiac equivalent<\/th><\/tr>\n    <\/thead>\n    <tbody>\n      <tr><td>1<\/td><td>\u661f\u7eaa (X\u012bngj\u00ec)<\/td><td>Capricorn<\/td><\/tr>\n      <tr><td>2<\/td><td>\u7384\u67b5 (Xu\u00e1nxi\u0101o)<\/td><td>Aquarius<\/td><\/tr>\n      <tr><td>3<\/td><td>\u5a35\u8a3e (J\u016bz\u012b)<\/td><td>Pisces<\/td><\/tr>\n      <tr><td>4<\/td><td>\u964d\u5a04 (Ji\u00e0ngl\u00f3u)<\/td><td>Aries<\/td><\/tr>\n      <tr><td>5<\/td><td>\u5927\u6881 (D\u00e0li\u00e1ng)<\/td><td>Taurus<\/td><\/tr>\n      <tr><td>6<\/td><td>\u5b9e\u6c88 (Sh\u00edsh\u011bn)<\/td><td>Gemini<\/td><\/tr>\n      <tr><td>7<\/td><td>\u9e51\u9996 (Ch\u00fansh\u01d2u)<\/td><td>Cancer<\/td><\/tr>\n      <tr><td>8<\/td><td>\u9e51\u706b (Ch\u00fanhu\u01d2)<\/td><td>Leo<\/td><\/tr>\n      <tr><td>9<\/td><td>\u9e51\u5c3e (Ch\u00fanw\u011bi)<\/td><td>Virgo<\/td><\/tr>\n      <tr><td>10<\/td><td>\u5bff\u661f (Sh\u00f2ux\u012bng)<\/td><td>Libra<\/td><\/tr>\n      <tr><td>11<\/td><td>\u5927\u706b (D\u00e0hu\u01d2)<\/td><td>Scorpius<\/td><\/tr>\n      <tr><td>12<\/td><td>\u6790\u6728 (X\u012bm\u00f9)<\/td><td>Sagittarius<\/td><\/tr>\n    <\/tbody>\n  <\/table>\n  <\/div>\n\n  <p>Each station was also linked to a segment of the <strong>Earthly Branches<\/strong> (\u5730\u652f, <em>D\u00eczh\u012b<\/em>), creating a direct mapping between the sky (Jupiter&#8217;s path) and the earthly calendar.<\/p>\n<\/section>\n\n<!-- Earthly Branches -->\n<section class=\"tzl-section\">\n  <h2>The 12 Earthly Branches: from sky to calendar<\/h2>\n\n  <p>The Earthly Branches (\u5730\u652f) are a set of 12 terms used throughout Chinese calendrical and philosophical tradition. They appear in timekeeping, astronomy, feng shui, and the zodiac. Each branch has a fixed position, direction, and set of associations.<\/p>\n\n  <div class=\"tzl-table-wrap\">\n  <table>\n    <thead>\n      <tr><th>Station<\/th><th>Earthly Branch<\/th><th>Direction<\/th><\/tr>\n    <\/thead>\n    <tbody>\n      <tr><td>\u661f\u7eaa X\u012bngj\u00ec<\/td><td>\u4e11 (Ch\u01d2u)<\/td><td>Northeast<\/td><\/tr>\n      <tr><td>\u7384\u67b5 Xu\u00e1nxi\u0101o<\/td><td>\u5b50 (Z\u01d0)<\/td><td>North<\/td><\/tr>\n      <tr><td>\u5a35\u8a3e J\u016bz\u012b<\/td><td>\u4ea5 (H\u00e0i)<\/td><td>Northwest<\/td><\/tr>\n      <tr><td>\u964d\u5a04 Ji\u00e0ngl\u00f3u<\/td><td>\u620c (X\u016b)<\/td><td>West-Northwest<\/td><\/tr>\n      <tr><td>\u5927\u6881 D\u00e0li\u00e1ng<\/td><td>\u9149 (Y\u01d2u)<\/td><td>West<\/td><\/tr>\n      <tr><td>\u5b9e\u6c88 Sh\u00edsh\u011bn<\/td><td>\u7533 (Sh\u0113n)<\/td><td>Southwest<\/td><\/tr>\n      <tr><td>\u9e51\u9996 Ch\u00fansh\u01d2u<\/td><td>\u672a (W\u00e8i)<\/td><td>South-Southwest<\/td><\/tr>\n      <tr><td>\u9e51\u706b Ch\u00fanhu\u01d2<\/td><td>\u5348 (W\u01d4)<\/td><td>South<\/td><\/tr>\n      <tr><td>\u9e51\u5c3e Ch\u00fanw\u011bi<\/td><td>\u5df3 (S\u00ec)<\/td><td>Southeast<\/td><\/tr>\n      <tr><td>\u5bff\u661f Sh\u00f2ux\u012bng<\/td><td>\u8fb0 (Ch\u00e9n)<\/td><td>East-Southeast<\/td><\/tr>\n      <tr><td>\u5927\u706b D\u00e0hu\u01d2<\/td><td>\u536f (M\u01ceo)<\/td><td>East<\/td><\/tr>\n      <tr><td>\u6790\u6728 X\u012bm\u00f9<\/td><td>\u5bc5 (Y\u00edn)<\/td><td>Northeast<\/td><\/tr>\n    <\/tbody>\n  <\/table>\n  <\/div>\n\n  <p>The Earthly Branches were already in use as a cyclical timekeeping system before they were paired with animals. They appear in the Shang dynasty oracle bones (c. 1200 BCE) as part of the Heavenly Stems-and-Branches (\u5e72\u652f, <em>G\u0101nzh\u012b<\/em>) dating system. But the branch-animal pairing came later \u2014 and that pairing is what created the Chinese zodiac as we know it.<\/p>\n<\/section>\n\n<!-- Animals -->\n<section class=\"tzl-section\">\n  <h2>When animals entered the system<\/h2>\n\n  <p>Two Qin dynasty tomb discoveries contain the earliest known written records matching the 12 Earthly Branches to specific animals. The <strong>Fangmatan bamboo slips<\/strong> (\u653e\u9a6c\u6ee9\u79e6\u7b80), buried around 239 BCE, preserve an early Daybook (\u65e5\u4e66) with animal-branch pairings. The more famous <strong>Sleeping Tiger Qin Bamboo Slip Daybook<\/strong> (\u7761\u864e\u5730\u79e6\u7b80\u300a\u65e5\u4e66\u300b), buried around 217 BCE, contains a chapter called &#8220;The Thief&#8221; (\u76d7\u8005) that describes a thief&#8217;s appearance and hiding place based on the earthly branch of the day they stole \u2014 and each branch is linked to an animal.<\/p>\n\n  <p>Neither list matches today&#8217;s roster exactly. The Sleeping Tiger version associated the 7th branch (\u5348) with a <strong>deer<\/strong> (\u9e7f), not a horse, and the 11th branch (\u620c) with an <strong>old goat<\/strong> (\u8001\u7f8a), not a dog. The Fangmatan list is closer to the modern set but has its own quirks \u2014 evidence that the animal-branch pairing was still evolving during the Qin period.<\/p>\n\n  <p>The animal list we use today \u2014 Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, Pig \u2014 was largely settled by the Eastern Han dynasty (25\u2013220 CE). The philosopher <strong>Wang Chong<\/strong> (\u738b\u5145) listed 11 of the 12 animals in his <em>Lunheng<\/em> (\u300a\u8bba\u8861\u300b, c. 83 CE); the dragon does not appear in the main list of the <em>Wushi<\/em> chapter <a href=\"https:\/\/baike.baidu.com\/item\/%E8%AE%BA%E8%A1%A1\" rel=\"nofollow noopener\" target=\"_blank\">(\u8bba\u8861, Baidu Baike)<\/a>. By the Tang dynasty (618\u2013907 CE), the modern 12-animal set was fully established.<\/p>\n<\/section>\n\n<!-- Evidence -->\n<section class=\"tzl-section\">\n  <h2>What the evidence shows<\/h2>\n\n  <p>The link between Jupiter and the 12-year cycle is documented in Chinese astronomical records going back more than two millennia <a href=\"https:\/\/baike.baidu.com\/item\/%E5%B2%81%E6%98%9F%E7%BA%AA%E5%B9%B4%E6%B3%95\" rel=\"nofollow noopener\" target=\"_blank\">(\u5c81\u661f\u7eaa\u5e74\u6cd5, Baidu Baike)<\/a>.<\/p>\n\n  <p>The <strong>Mawangdui Silk Manuscript \u2014 Divination of the Five Planets<\/strong> (\u9a6c\u738b\u5806\u5e1b\u4e66\u300a\u4e94\u661f\u5360\u300b), buried in 168 BCE, is the world&#8217;s oldest surviving star chart recording planetary motion <a href=\"https:\/\/baike.baidu.com\/item\/%E4%BA%94%E6%98%9F%E5%8D%A0\" rel=\"nofollow noopener\" target=\"_blank\">(\u4e94\u661f\u5360, Baidu Baike)<\/a>. Its records of Venus are remarkably precise (a synodic period of 584.4 days, close to the modern value of 583.92), and it documents Jupiter&#8217;s cycle as roughly 12 years \u2014 confirming that by the early Han dynasty, Chinese astronomers understood the 12-year Jupiter cycle and its relationship to the calendar.<\/p>\n\n  <p>Together, these pieces form a clear timeline:<\/p>\n\n  <ul>\n    <li><strong>c. 1200 BCE<\/strong> \u2014 Earthly Branches on Shang oracle bones<\/li>\n    <li><strong>c. 239 BCE<\/strong> \u2014 Fangmatan bamboo slips: early animal-branch record<\/li>\n    <li><strong>c. 217 BCE<\/strong> \u2014 Sleeping Tiger bamboo slips: the &#8220;Thief&#8221; chapter matching branches to animals<\/li>\n    <li><strong>168 BCE<\/strong> \u2014 Mawangdui manuscript: Jupiter&#8217;s 12-year cycle documented<\/li>\n    <li><strong>83 CE<\/strong> \u2014 Wang Chong&#8217;s <em>Lunheng<\/em>: 11 of 12 modern animals listed<\/li>\n    <li><strong>Tang dynasty<\/strong> \u2014 Full standardization of the 12-animal zodiac<\/li>\n  <\/ul>\n\n  <p>This timeline shows that the 12-animal cycle has <strong>both an astronomical origin and a cultural evolution<\/strong>. Jupiter gave the number. Human tradition decided which animals to attach.<\/p>\n<\/section>\n\n<!-- Conclusion -->\n<section class=\"tzl-section\">\n  <h2>Astronomy and culture, not mysticism<\/h2>\n\n  <p>The Chinese zodiac is sometimes treated as a system of fortune-telling or personality typing. But at its foundation, it is something more concrete: an ancient way of tracking time using the most reliable clock available \u2014 the motion of the planets.<\/p>\n\n  <p>The twelve-animal cycle exists because Jupiter&#8217;s orbit gave the ancient Chinese a natural 12-year unit for measuring the passage of years. The animals were a cultural addition \u2014 a memorable, human-scale layer on top of an astronomical framework. The result is a system that bridges two worlds: the predictable motion of the heavens and the storytelling instinct of human culture.<\/p>\n\n  <p>That is why the Chinese zodiac has 12 animals. Not because a folk tale says so, but because the sky itself suggested the number \u2014 and people filled in the rest.<\/p>\n<\/section>\n\n<section class=\"tzl-section\" id=\"go-deeper\">\n  <h2>Jupiter set the cycle length. Your own chart is a separate layer.<\/h2>\n  <p>The astronomy above explains why there are 12 years in the cycle at all. It doesn&#8217;t tell you what your own animal, element, and full stem-branch chart traditionally mean \u2014 that&#8217;s a personal reading, not a calendar fact:<\/p>\n  <div class=\"tzl-links two\">\n    <a href=\"\/product\/personalized-reading\/\"><strong>Personalized Reading<\/strong>Your exact animal, element, and stem-branch breakdown, explained in full as a printable report.<span>See the reading &rarr;<\/span><\/a>\n    <a href=\"\/product\/couple-chinese-zodiac-compatibility-report\/\"><strong>Couple Compatibility Report<\/strong>How your sign and a partner&#8217;s sign read together, built on the same chart layer.<span>See the report &rarr;<\/span><\/a>\n  <\/div>\n<\/section>\n\n<!-- FAQ -->\n<section class=\"faq-section\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\">\n  <h2>Frequently asked questions<\/h2>\n\n  <details itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <summary itemprop=\"name\">Why does the Chinese zodiac cycle last 12 years?<\/summary>\n    <div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <p itemprop=\"text\">The 12-year cycle comes from Jupiter&#8217;s orbital period. Jupiter takes about 11.86 Earth years to circle the Sun, which the ancient Chinese rounded to 12 years and used as a calendrical unit.<\/p>\n    <\/div>\n  <\/details>\n\n  <details itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <summary itemprop=\"name\">What is the Year Star (\u5c81\u661f) in Chinese astronomy?<\/summary>\n    <div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <p itemprop=\"text\">The Year Star (\u5c81\u661f, Su\u00ecx\u012bng) is the Chinese name for Jupiter. It was called the Year Star because its roughly 12-year orbital cycle was used to mark the passage of years in ancient Chinese calendrical astronomy.<\/p>\n    <\/div>\n  <\/details>\n\n  <details itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <summary itemprop=\"name\">What are the Twelve Stations (\u5341\u4e8c\u6b21)?<\/summary>\n    <div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <p itemprop=\"text\">The Twelve Stations are 12 segments of the sky that ancient Chinese astronomers divided the ecliptic into. Jupiter passed through roughly one station per year, and each station was linked to one of the 12 Earthly Branches.<\/p>\n    <\/div>\n  <\/details>\n\n  <details itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <summary itemprop=\"name\">Were the 12 zodiac animals always the same?<\/summary>\n    <div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <p itemprop=\"text\">No. The earliest known lists, from Qin dynasty bamboo slip Daybooks (c. 239\u2013217 BCE), included a deer where we now have Horse, and an old goat where we now have Dog. The animal list was not fully standardized until the Tang dynasty (618\u2013907 CE).<\/p>\n    <\/div>\n  <\/details>\n\n  <details itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <summary itemprop=\"name\">What is the oldest record of the Chinese zodiac animals?<\/summary>\n    <div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <p itemprop=\"text\">The oldest known written records of the earthly branch-animal pairing are two Qin dynasty Daybook manuscripts: the Fangmatan slips (c. 239 BCE) and the Sleeping Tiger slips (c. 217 BCE). The Sleeping Tiger version contains the chapter &#8220;The Thief&#8221; (\u76d7\u8005) with the most detailed animal descriptions.<\/p>\n    <\/div>\n  <\/details>\n\n  <details itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <summary itemprop=\"name\">Is the Chinese zodiac purely astronomical?<\/summary>\n    <div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <p itemprop=\"text\">The 12-year cycle has an astronomical basis in Jupiter&#8217;s orbit, but the choice of which 12 animals to include was a cultural decision that evolved over centuries. The zodiac is a blend of astronomy, calendar-keeping, and folk tradition.<\/p>\n    <\/div>\n  <\/details>\n\n  <details itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <summary itemprop=\"name\">How does this relate to the Five Elements?<\/summary>\n    <div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <p itemprop=\"text\">The Five Elements (\u4e94\u884c) system is a separate layer. Each zodiac year carries an element from the Heavenly Stem, not from the Earthly Branch or animal sign. The Earthly Branches also have their own element associations in the Five Elements framework \u2014 these are two different systems and should not be confused.<\/p>\n    <\/div>\n  <\/details>\n<\/section>\n\n<!-- Editorial Note -->\n<section id=\"editorial-note\" class=\"editorial-note\">\n  <p><strong>Editorial note:<\/strong> This page discusses the astronomical and historical origins of the Chinese zodiac&#8217;s 12-year cycle. It is <strong>not a personality, fortune, or compatibility guide<\/strong>. The zodiac is a calendrical and cultural system \u2014 its meanings are symbolic and traditional, not predictive or scientific. The Earthly Branch element associations mentioned here are distinct from the year-element system used on individual zodiac year pages. See <a href=\"https:\/\/thezodiaclore.com\/chinese-zodiac-elements\/\">Chinese Zodiac Elements<\/a> for the year-element system.<\/p>\n<\/section>\n\n<!-- Next steps -->\n<section class=\"next-steps\">\n  <h2>Explore further<\/h2>\n  <div class=\"next-steps-grid\">\n    <a href=\"https:\/\/thezodiaclore.com\/chinese-zodiac-elements\/\" class=\"next-step-link\">Chinese Zodiac Elements<\/a>\n    <a href=\"https:\/\/thezodiaclore.com\/zodiac-years-chart\/\" class=\"next-step-link\">Zodiac Years Chart<\/a>\n    <a href=\"https:\/\/thezodiaclore.com\/zodiac-element-combinations\/\" class=\"next-step-link\">Element Combinations<\/a>\n    <a href=\"https:\/\/thezodiaclore.com\/year-of-the-rat\/\" class=\"next-step-link\">Year of the Rat<\/a>\n  <\/div>\n<\/section>\n\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Astronomical origins Why Does the Chinese Zodiac Have 12 Animals? The Astronomical Answer The number twelve didn&#8217;t come from a folk tale. It came from the sky. Astronomical origins \u00b7 Zodiac foundations \u00b7 Editorial note The Chinese zodiac runs in 12-year cycles. Every year belongs to one of twelve animals \u2014 Rat, Ox, Tiger, Rabbit, &#8230; <a title=\"Pourquoi le zodiaque chinois compte 12 animaux : l&#039;explication astronomique\" class=\"read-more\" href=\"https:\/\/thezodiaclore.com\/fr\/why-12-animals-chinese-zodiac-astronomy\/\" aria-label=\"En savoir plus sur Why the Chinese Zodiac Has 12 Animals: The Astronomical Reason\">En savoir plus<\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"rank_math_title":"Why the Chinese Zodiac Has 12 Animals: The Astronomical Reason","rank_math_description":"Jupiter's 12-year orbit gave the Chinese zodiac its 12-animal cycle. Learn how the Year Star (\u5c81\u661f), 12 stations, and Earthly Branches created the zodiac.","rank_math_focus_keyword":"why chinese zodiac 12 animals","footnotes":""},"class_list":["post-1489","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/pages\/1489","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/comments?post=1489"}],"version-history":[{"count":5,"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/pages\/1489\/revisions"}],"predecessor-version":[{"id":4372,"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/pages\/1489\/revisions\/4372"}],"wp:attachment":[{"href":"https:\/\/thezodiaclore.com\/fr\/wp-json\/wp\/v2\/media?parent=1489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}