Guyu
The traditional Chinese lunisolar calendar divide a year into 24 solar terms.[1] Gǔyǔ, Kokuu, Gogu, or Cốc vũ is the 6th solar term. It begins when the Sun reaches the celestial longitude of 30° and ends when it reaches the longitude of 45°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 30°. In the Gregorian calendar, it usually begins around April 20 and ends around May 5.
| Guyu | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chinese name | |||||||||||||||
| Traditional Chinese | 穀雨 | ||||||||||||||
| Simplified Chinese | 谷雨 | ||||||||||||||
| Literal meaning | grain rain | ||||||||||||||
| |||||||||||||||
| Vietnamese name | |||||||||||||||
| Vietnamese alphabet | cốc vũ | ||||||||||||||
| Chữ Hán | 穀雨 | ||||||||||||||
| Korean name | |||||||||||||||
| Hangul | 곡우 | ||||||||||||||
| Hanja | 穀雨 | ||||||||||||||
| |||||||||||||||
| Japanese name | |||||||||||||||
| Kanji | 穀雨 | ||||||||||||||
| Hiragana | こくう | ||||||||||||||
| |||||||||||||||
| Longitude | Term | Calendar |
|---|---|---|
| Spring | ||
| 315° | Lichun | 4 – 5 February |
| 330° | Yushui | 18–19 February |
| 345° | Jingzhe | 5 – 6 March |
| 0° | Chunfen | 20–21 March |
| 15° | Qingming | 4 – 5 April |
| 30° | Guyu | 20–21 April |
| Summer | ||
| 45° | Lixia | 5 – 6 May |
| 60° | Xiaoman | 21–22 May |
| 75° | Mangzhong | 5 – 6 June |
| 90° | Xiazhi | 21–22 June |
| 105° | Xiaoshu | 7 – 8 July |
| 120° | Dashu | 22–23 July |
| Autumn | ||
| 135° | Liqiu | 7 – 8 August |
| 150° | Chushu | 23–24 August |
| 165° | Bailu | 7 – 8 September |
| 180° | Qiufen | 23–24 September |
| 195° | Hanlu | 8 – 9 October |
| 210° | Shuangjiang | 23–24 October |
| Winter | ||
| 225° | Lidong | 7 – 8 November |
| 240° | Xiaoxue | 22–23 November |
| 255° | Daxue | 7 – 8 December |
| 270° | Dongzhi | 21–22 December |
| 285° | Xiaohan | 5 – 6 January |
| 300° | Dahan | 20–21 January |
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 Guyu include:
China
Date and time
| year | begin | end |
|---|---|---|
| 辛巳 | 2001-04-20 00:35 | 2001-05-05 10:44 |
| 壬午 | 2002-04-20 06:20 | 2002-05-05 16:37 |
| 癸未 | 2003-04-20 12:02 | 2003-05-05 22:10 |
| 甲申 | 2004-04-19 17:50 | 2004-05-05 04:02 |
| 乙酉 | 2005-04-19 23:37 | 2005-05-05 09:52 |
| 丙戌 | 2006-04-20 05:26 | 2006-05-05 15:30 |
| 丁亥 | 2007-04-20 11:07 | 2007-05-05 21:20 |
| 戊子 | 2008-04-19 16:51 | 2008-05-05 03:03 |
| 己丑 | 2009-04-19 22:44 | 2009-05-05 08:50 |
| 庚寅 | 2010-04-20 04:29 | 2010-05-05 14:44 |
| 辛卯 | 2011-04-20 10:17 | 2011-05-05 20:23 |
| 壬辰 | 2012-04-19 16:12 | 2012-05-05 02:19 |
| 癸巳 | 2013-04-19 22:03 | 2013-05-05 08:18 |
| 甲午 | 2014-04-20 03:55 | 2014-05-05 13:59 |
| 乙未 | 2015-04-20 09:41 | 2015-05-05 19:55 |
| 丙申 | 2016-04-19 15:31 | 2016-05-05 01:41 |
| 丁酉 | 2017-04-19 21:29 | 2017-05-05 07:29 |
| 戊戌 | 2018-04-20 03:12 | 2018-05-05 13:26 |
| 己亥 | 2019-04-20 08:54 | 2019-05-05 19:05 |
| 庚子 | 2020-04-19 14:47 | 2020-05-05 00:51 |
| 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.
- Kondō Heijō (近藤瓶城), ed. (1901). 新加纂録類 (Shinka Sanrokurui). 改定史籍集覧 (Kaitei Shiseki Shūran). Vol. 19. (Meiji 34). Tokyo: 近藤活版所 (Kondō Kappansho). p. 110.
- Fujisawa Morihiko (1961). 年中行事編 (Nenjū Gyōjihen). 図説日本民俗学全集 (Zusetsu Nihon Minzokugaku Zenshū). Vol. 7. Tokyo: Akane Shobō. p. 103.
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