Liqiu

The traditional Chinese calendar divides a year into 24 solar terms.[1] Lìqiū, Risshū, Ipchu, or Lập thu (Chinese: 立秋; pinyin: lìqiū) is the 13th solar term. It begins when the Sun reaches the celestial longitude of 135° and ends when it reaches the longitude of 150°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 135°. In the Gregorian calendar, it usually begins around August 7 and ends around August 23.

Liqiu
Chinese name
Chinese立秋
Literal meaningstart of autumn
Korean name
Hangul입추
Hanja立秋
Japanese name
Kanji立秋
Hiraganaりっしゅう
Solar term
Term Longitude Dates
Lichun 315°4–5 February
Yushui 330°18–19 February
Jingzhe 345°5–6 March
Chunfen 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

Liqiu signifies the beginning of autumn in East Asian cultures.

Date and time

Date and Time (UTC)
yearbeginend
辛巳 2001-08-07 10:52 2001-08-23 01:27
壬午 2002-08-07 16:39 2002-08-23 07:16
癸未 2003-08-07 22:24 2003-08-23 13:08
甲申 2004-08-07 04:19 2004-08-22 18:53
乙酉 2005-08-07 10:03 2005-08-23 00:45
丙戌 2006-08-07 15:40 2006-08-23 06:22
丁亥 2007-08-07 21:31 2007-08-23 12:07
戊子 2008-08-07 03:16 2008-08-22 18:02
己丑 2009-08-07 09:01 2009-08-22 23:38
庚寅 2010-08-07 14:49 2010-08-23 05:26
辛卯 2011-08-07 20:33 2011-08-23 11:20
壬辰 2012-08-07 02:30 2012-08-22 17:06
癸巳 2013-08-07 08:20 2013-08-22 23:01
甲午 2014-08-07 14:02 2014-08-23 04:46
乙未 2015-08-07 20:02 2015-08-23 10:35
丙申 2016-08-07 01:51 2016-08-22 16:39
丁酉 2017-08-07 07:37 2017-08-22 22:20
戊戌 2018-08-07 13:30 2018-08-23 04:05
己亥 2019-08-07 19:14 2019-08-23 10:00
庚子 2020-08-07 01:04 2020-08-22 15:45
Source: JPL Horizons On-Line Ephemeris System

References

  1. 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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