Yushui
The traditional East Asian calendars divide a year into 24 solar terms (節氣). Yǔshuǐ (pīnyīn) or Usui (rōmaji) (Chinese and Japanese: 雨水; Korean: 우수; Vietnamese: Vũ thủy; literally: "rain water") is 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 February 18 (February 19 East Asia time) and ends around March 5.
Pentads
| year | begin | end |
|---|---|---|
| 辛巳 | 2001-Feb-18 14:27 | 2001-Mar-05 12:32 |
| 壬午 | 2002-Feb-18 20:13 | 2002-Mar-05 18:27 |
| 癸未 | 2003-Feb-19 02:00 | 2003-Mar-06 00:04 |
| 甲申 | 2004-Feb-19 07:50 | 2004-Mar-05 05:55 |
| 乙酉 | 2005-Feb-18 13:31 | 2005-Mar-05 11:45 |
| 丙戌 | 2006-Feb-18 19:25 | 2006-Mar-05 17:28 |
| 丁亥 | 2007-Feb-19 01:08 | 2007-Mar-05 23:18 |
| 戊子 | 2008-Feb-19 06:49 | 2008-Mar-05 04:58 |
| 己丑 | 2009-Feb-18 12:46 | 2009-Mar-05 10:47 |
| 庚寅 | 2010-Feb-18 18:35 | 2010-Mar-05 16:46 |
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:
- China
- First pentad: 獺祭魚
- Second pentad: 鴻雁來
- Last pentad: 草木萌動
- Japan
- First pentad: 土脉潤起
- Second pentad: 霞始靆
- Last pentad: 草木萠動
| Preceded by Lichun (立春) |
Solar term (節氣) | Succeeded by Jingzhe (驚蟄) |
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