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Lidong

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Lidong
Chinese name
Chinese立冬
Literal meaningstart of winter
Transcriptions
Standard Mandarin
Hanyu Pinyinlìdōng
Bopomofoㄌㄧˋ ㄉㄨㄥ
Yue: Cantonese
Yale Romanizationlaahp dūng
Jyutpinglaap6 dung1
Vietnamese name
Vietnamese alphabetlập đông
Chữ Hán立冬
Korean name
Hangul입동
Hanja立冬
Transcriptions
Revised Romanizationipdong
Japanese name
Kanji立冬
Hiraganaりっとう
Transcriptions
Romanizationrittō
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

The traditional Chinese calendar divides a year into 24 solar terms. Lìdōng, Rittō, Ipdong, or Lập đông (Chinese and Japanese: 立冬; pinyin: lìdōng; rōmaji: rittō; Korean: 입동; romaja: ipdong; Vietnamese: lập đông; "start of winter") is the 19th solar term. It begins when the Sun reaches the celestial longitude of 225° and ends when it reaches the longitude of 240°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 225°. In the Gregorian calendar, it usually begins around November 7 and ends around November 22.[1]

Lidong signifies the beginning of winter in East Asian cultures.[2]

Pentads

[edit]
  • 水始冰, 'Water begins to freeze' – the initial stages of water bodies freezing over.
  • 地始凍, 'The earth begins to harden'
  • 雉入大水為蜃, 'Pheasants enter the water for clams'

Date and time

[edit]
Date and Time (UTC)
year begin end
辛巳 2001-11-07 08:36 2001-11-22 06:00
壬午 2002-11-07 14:21 2002-11-22 11:53
癸未 2003-11-07 20:13 2003-11-22 17:43
甲申 2004-11-07 01:58 2004-11-21 23:21
乙酉 2005-11-07 07:42 2005-11-22 05:14
丙戌 2006-11-07 13:34 2006-11-22 11:01
丁亥 2007-11-07 19:24 2007-11-22 16:49
戊子 2008-11-07 01:10 2008-11-21 22:44
己丑 2009-11-07 06:56 2009-11-22 04:22
庚寅 2010-11-07 12:42 2010-11-22 10:14
辛卯 2011-11-07 18:34 2011-11-22 16:07
壬辰 2012-11-07 00:25 2012-11-21 21:50
癸巳 2013-11-07 06:13 2013-11-22 03:48
甲午 2014-11-07 12:06 2014-11-22 09:38
乙未 2015-11-07 18:00 2015-11-22 15:26
丙申 2016-11-06 23:47 2016-11-21 21:23
丁酉 2017-11-07 05:34 2017-11-22 03:02
戊戌 2018-11-07 11:30 2018-11-22 08:59
己亥 2019-11-07 17:25 2019-11-22 14:59
庚子 2020-11-06 23:13 2020-11-21 20:40
Source: JPL Horizons On-Line Ephemeris System

References

[edit]
  1. ^ Guo, Rongxing (February 6, 2017). An Economic Inquiry into the Nonlinear Behaviors of Nations: Dynamic Developments and the Origins of Civilizations. Springer. pp. 160–161. ISBN 978-3-319-48772-4.
  2. ^ Martzloff, Jean-Claude (September 1, 2016). Astronomy and Calendars – The Other Chinese Mathematics: 104 BC - AD 1644. Springer. p. 64. ISBN 978-3-662-49718-0.
Preceded by
Shuangjiang (霜降)
Solar term (節氣) Succeeded by
Xiaoxue (小雪)