Dashu (solar term)

The traditional Chinese calendar divides a year into 24 solar terms.[1] Dàshǔ (大暑), Taisho, Daeseo, or Đại thử (Chinese and Japanese: 大暑; pinyin: dàshǔ; rōmaji: taisho; Korean: 대서; romaja: daeseo; Vietnamese: đại thử; "major heat") is the 12th solar term. It begins when the Sun reaches the celestial longitude of 120° and ends when it reaches the longitude of 135°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 120°. In the Gregorian calendar, it usually begins around 22 July (23 July Chinese lunisolar calendar time) and ends around 7 August.

Dashu
Chinese name
Chinese大暑
Literal meaningmajor heat
Vietnamese name
Vietnamese alphabetđại thử
Chữ Hán大暑
Korean name
Hangul대서
Hanja大暑
Japanese name
Kanji大暑
Hiraganaたいしょ
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

Date and time

Date and Time (UTC)
yearbeginend
辛巳 2001-07-22 18:26 2001-08-07 10:52
壬午 2002-07-23 00:14 2002-08-07 16:39
癸未 2003-07-23 06:04 2003-08-07 22:24
甲申 2004-07-22 11:50 2004-08-07 04:19
乙酉 2005-07-22 17:40 2005-08-07 10:03
丙戌 2006-07-22 23:17 2006-08-07 15:40
丁亥 2007-07-23 05:00 2007-08-07 21:31
戊子 2008-07-22 10:54 2008-08-07 03:16
己丑 2009-07-22 16:35 2009-08-07 09:01
庚寅 2010-07-22 22:21 2010-08-07 14:49
辛卯 2011-07-23 04:11 2011-08-07 20:33
壬辰 2012-07-22 10:00 2012-08-07 02:30
癸巳 2013-07-22 15:56 2013-08-07 08:20
甲午 2014-07-22 21:41 2014-08-07 14:02
乙未 2015-07-23 03:28 2015-08-07 20:02
丙申 2016-07-22 09:28 2016-08-07 01:51
丁酉 2017-07-22 15:16 2017-08-07 07:37
戊戌 2018-07-22 21:01 2018-08-07 13:30
己亥 2019-07-23 02:48 2019-08-07 19:14
庚子 2020-07-22 08:34 2020-08-07 01:04
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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