Xiazhi
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 | It has been suggested that this article be merged into Summer solstice. (Discuss) Proposed since January 2022. |
 | This article needs additional citations for verification. (December 2009) |
| Xiazhi | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chinese | 夏至 | ||||||||||||||
| Literal meaning | summer's extreme (i.e. summer solstice) | ||||||||||||||
| |||||||||||||||
| 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] Xiàzhì is the 10th solar term, and marks the summer solstice. It begins when the Sun reaches the celestial longitude of 90° and ends when it reaches the longitude of 105°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 90°.
Date and time
 | This section needs to be updated. (November 2020) |
| Year | Begin | End |
|---|---|---|
| 辛巳 | 2001-06-21 07:37 | 2001-07-07 01:06 |
| 壬午 | 2002-06-21 13:24 | 2002-07-07 06:56 |
| 癸未 | 2003-06-21 19:10 | 2003-07-07 12:35 |
| 甲申 | 2004-06-21 00:56 | 2004-07-06 18:31 |
| 乙酉 | 2005-06-21 06:46 | 2005-07-07 00:16 |
| 丙戌 | 2006-06-21 12:25 | 2006-07-07 05:51 |
| 丁亥 | 2007-06-21 18:06 | 2007-07-07 11:41 |
| 戊子 | 2008-06-20 23:59 | 2008-07-06 17:26 |
| 己丑 | 2009-06-21 05:45 | 2009-07-06 23:13 |
| 庚寅 | 2010-06-21 11:28 | 2010-07-07 05:02 |
| 辛卯 | 2011-06-21 17:16 | 2011-07-07 10:42 |
| 壬辰 | 2012-06-20 23:08 | 2012-07-06 16:40 |
| 癸巳 | 2013-06-21 05:03 | 2013-07-06 22:34 |
| 甲午 | 2014-06-21 10:51 | 2014-07-07 04:14 |
| 乙未 | 2015-06-21 16:40 | 2015-07-07 10:10 |
| 丙申 | 2016-06-20 22:35 | 2016-07-06 16:05 |
| 丁酉 | 2017-06-21 04:22 | 2017-07-06 21:51 |
| 戊戌 | 2018-06-21 10:06 | 2018-07-07 03:39 |
| 己亥 | 2019-06-21 15:56 | 2019-07-07 09:18 |
| 庚子 | 2020-06-20 21:45 | 2020-07-06 15:15 |
| Source: JPL Horizons On-Line Ephemeris System | ||
Western correlation
In the Gregorian calendar, it usually begins around 21 June and ends around 7 July.
The solstices
The solstices (as well as the equinoxes) mark the middle of the seasons in traditional East Asian calendars. Here, the Chinese character 至 means "extreme", which implies "solstices", so the term for the summer solstice directly signifies the summit of summer.
See also
References
- ^ Zhang, Peiyu; Hunag, Hongfeng (1994). "The Twenty-four Solar Terms of the Chinese Calendar and the Calculation for Them". Purple Mountain Observatory.
Categories:
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