Yushui (solar term)
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Yushui | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chinese | 雨水 | ||||||||||||||
Literal meaning | rain water | ||||||||||||||
|
Term | Longitude | Dates |
---|---|---|
Lichun | 315° | 4–5 February |
Yushui | 330° | 18–19 February |
Jingzhe | 345° | 5–6 March |
Chunfen | 0° | 20–21 March |
Qingming | 15° | 4–5 April |
Guyu | 30° | 20–21 April |
Lixia | 45° | 5–6 May |
Xiaoman | 60° | 21–22 May |
Mangzhong | 75° | 5–6 June |
Xiazhi | 90° | 21–22 June |
Xiaoshu | 105° | 7–8 July |
Dashu | 120° | 22–23 July |
Liqiu | 135° | 7–8 August |
Chushu | 150° | 23–24 August |
Bailu | 165° | 7–8 September |
Qiufen | 180° | 23–24 September |
Hanlu | 195° | 8–9 October |
Shuangjiang | 210° | 23–24 October |
Lidong | 225° | 7–8 November |
Xiaoxue | 240° | 22–23 November |
Daxue | 255° | 7–8 December |
Dongzhi | 270° | 21–22 December |
Xiaohan | 285° | 5–6 January |
Dahan | 300° | 20–21 January |
The traditional chinese lunisolar calendar divides a year into 24 solar terms.[1]
Yǔshuǐ / 雨水, Usui, Usu, or Vũ thủy (in vietnamese lenguage), literally meaning rain water, is the 2nd one of them.
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 of / in east Asia time) and ends around 5 March.
Pentads
Each solar term can be divided into three pentads (候), first (初候), second (次候) and last (末候) ones.
In Yushui each pentad includes :
- in China,
- first pentad / 獺祭魚 : 'otters make offerings of fish'. As fish begin to swim upstream, they are hunted by otters, which are believed to offer the fish to heaven ;
- second pentad / 鴻雁來 : 'the wild geese arrive'. Wild geese begin to make their northward migration, following the onset of spring ;
- last pentad / 草木萌動 : 'trees and grass put forth shoots' ;
- in Japan,
- first pentad / 土脉潤起 ;
- second pentad / 霞始靆 ;
- last pentad / 草木萠動.
Date and time
![]() | This section needs to be updated.(November 2020) |
Year | Begin | End |
---|---|---|
辛巳 | 2001-02-18 14:27 | 2001-03-05 12:32 |
壬午 | 2002-02-18 20:13 | 2002-03-05 18:27 |
癸未 | 2003-02-19 02:00 | 2003-03-06 00:04 |
甲申 | 2004-02-19 07:50 | 2004-03-05 05:55 |
乙酉 | 2005-02-18 13:31 | 2005-03-05 11:45 |
丙戌 | 2006-02-18 19:25 | 2006-03-05 17:28 |
丁亥 | 2007-02-19 01:08 | 2007-03-05 23:18 |
戊子 | 2008-02-19 06:49 | 2008-03-05 04:58 |
己丑 | 2009-02-18 12:46 | 2009-03-05 10:47 |
庚寅 | 2010-02-18 18:35 | 2010-03-05 16:46 |
辛卯 | 2011-02-19 00:25 | 2011-03-05 22:29 |
壬辰 | 2012-02-19 06:17 | 2012-03-05 04:21 |
癸巳 | 2013-02-18 12:01 | 2013-03-05 10:14 |
甲午 | 2014-02-18 17:59 | 2014-03-05 16:02 |
乙未 | 2015-02-18 23:49 | 2015-03-05 21:55 |
丙申 | 2016-02-19 05:33 | 2016-03-05 03:43 |
丁酉 | 2017-02-18 11:31 | 2017-03-05 09:32 |
戊戌 | 2018-02-18 17:18 | 2018-03-05 15:28 |
己亥 | 2019-02-18 23:05 | 2019-03-05 21:12 |
庚子 | 2020-02-19 04:55 | 2020-03-05 02:56 |
Source : JPL Horizons On-Line Ephemeris System |
References
- ^ Zhang, Peiyu; Hunag, Hongfeng (1994). "The Twenty-four Solar Terms of the Chinese Calendar and the Calculation for Them". Purple Mountain Observatory.
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