Shuangjiang (solar term)

For the county in Yunnan, see Shuangjiang Lahu, Va, Blang and Dai Autonomous County.

The traditional Chinese calendar divides a year into 24 solar terms (节气/節氣). Shuāngjiàng, Sōkō, Sanggang, or Sương giáng (Chinese and Japanese: 霜降; pinyin: shuāngjiàng; rōmaji: sōkō; Korean: 상강; romaja: sanggang; Vietnamese: sương giáng; lit. 'frost descent') is the 18th solar term. It begins when the Sun reaches the celestial longitude of 210° and ends when it reaches the longitude of 225°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 210°. In the Gregorian calendar, it usually begins around October 23 and ends around November 7.

Shuangjiang
Chinese name
Chinese	霜降
Literal meaning	frost descent
Transcriptions Standard Mandarin Hanyu Pinyin shuāngjiàng Bopomofo ㄕㄨㄤ ㄐㄧㄤˋ Yue: Cantonese Yale Romanization sēung gong Jyutping soeng1 gong3
Vietnamese name
Vietnamese alphabet	sương giáng
Chữ Hán	霜降
Korean name
Hangul	상강
Hanja	霜降
Transcriptions Revised Romanization sanggang
Japanese name
Kanji	霜降
Hiragana	そうこう
Transcriptions Romanization sōkō

Solar term

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 western holiday of Halloween occurs in this solar term.

Pentads

• 豺乃祭獸, 'Dholes make offerings of the beasts'
• 草木黃落, 'The plants yellow and shed leaves'
• 蟄蟲咸俯, 'All insects go dormant'

Date and time

Date and Time (UTC)

Year	Begin	End
辛巳	2001-10-23 08:25	2001-11-07 08:36
壬午	2002-10-23 14:17	2002-11-07 14:21
癸未	2003-10-23 20:08	2003-11-07 20:13
甲申	2004-10-23 01:48	2004-11-07 01:58
乙酉	2005-10-23 07:42	2005-11-07 07:42
丙戌	2006-10-23 13:26	2006-11-07 13:34
丁亥	2007-10-23 19:15	2007-11-07 19:24
戊子	2008-10-23 01:08	2008-11-07 01:10
己丑	2009-10-23 06:43	2009-11-07 06:56
庚寅	2010-10-23 12:35	2010-11-07 12:42
辛卯	2011-10-23 18:30	2011-11-07 18:34
壬辰	2012-10-23 00:13	2012-11-07 00:25
癸巳	2013-10-23 06:09	2013-11-07 06:13
甲午	2014-10-23 11:57	2014-11-07 12:06
乙未	2015-10-23 17:46	2015-11-07 17:58
丙申	2016-10-22 23:45	2016-11-06 23:47
丁酉	2017-10-23 05:26	2017-11-07 05:37
戊戌	2018-10-23 11:22	2018-11-07 11:31
己亥	2019-10-23 17:19	2019-11-07 17:24
庚子	2020-10-22 22:59	2020-11-06 23:13
辛丑	2021-10-23 04:51	2021-11-07 04:58
壬寅	2022-10-23 10:35	2022-11-07 10:45
癸卯	2023-10-23 16:20	2023-11-07 16:35
甲辰	2024-10-22 22:14	2024-11-06 22:20
乙巳	2025-10-23 03:50	2025-11-07 04:04
丙午	2026-10-23 09:37	2026-11-07 09:52
丁未	2027-10-23 15:32	2027-11-07 15:38
戊申	2028-10-22 21:13	2028-11-06 21:27
己酉	2029-10-23 03:08	2029-11-07 03:16
庚戌	2030-10-23 09:00	2030-11-07 09:08
Source: JPL Horizons On-Line Ephemeris System