1. vernal equinox; spring equinoxSee also 二十四節気
Wikipedia definition
2. ChunfenThe traditional East Asian calendars divide a year into 24 solar terms (節氣). Chūnfēn or Shunbun is the 4th solar term. It begins when the Sun reaches the celestial longitude of 0° and ends when it reaches the longitude of 15°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 0°. In the Gregorian calendar, it usually begins around 20 March and ends around 4 April (5 April East Asia time).
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Read “Chunfen” on DBpedia


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