Chinese 雨水 Hanyu Pinyin Vietnamese alphabet vũ thủy | Literal meaning rain water Bopomofo ㄧㄩˇ ㄕㄨㄟˇ Chữ Hán 雨水 | |
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The traditional East Asian calendars divide a year into 24 solar terms. Yǔshuǐ, Usui, Usu, or Vũ thủy is the 2nd solar term. It begins when the Sun reaches the celestial longitude of 330° and ends when it reaches the longitude of 345°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 330°. In Gregorian calendar, it usually begins around 18 February (19 February East Asia time) and ends around 5 March.
Pentads
Each solar term can be divided into 3 pentads (候). They are first pentad (初候), second pentad (次候) and last pentad (末候). Pentads in Yushui including:
References
Yushui (solar term) Wikipedia(Text) CC BY-SA