Lidong

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.

Lidong
Chinese name
Chinese立冬
Literal meaningstart of winter
Vietnamese name
Vietnamese alphabetlập đông
Chữ Hán立冬
Korean name
Hangul입동
Hanja立冬
Japanese name
Kanji立冬
Hiraganaりっとう
Solar term
  Longitude    Term    Calendar
  Spring
  315°  Lichun  4 – 5 February
  330°  Yushui  18–19 February
  345°  Jingzhe  5 – 6 March
   Chunfen  20–21 March
  15°  Qingming  4 – 5 April
  30°  Guyu  20–21 April
  Summer
  45°  Lixia  5 – 6 May
  60°  Xiaoman  21–22 May
  75°  Mangzhong  5 – 6 June
  90°  Xiazhi  21–22 June
  105°  Xiaoshu  7 – 8 July
  120°  Dashu  22–23 July
  Autumn
  135°  Liqiu  7 – 8 August
  150°  Chushu  23–24 August
  165°  Bailu  7 – 8 September
  180°  Qiufen  23–24 September
  195°  Hanlu  8 – 9 October
  210°  Shuangjiang    23–24 October
  Winter
  225°  Lidong  7 – 8 November
  240°  Xiaoxue  22–23 November
  255°  Daxue  7 – 8 December
  270°  Dongzhi  21–22 December
  285°  Xiaohan  5 – 6 January
  300°  Dahan  20–21 January

Lidong signifies the beginning of winter in East Asian cultures.

Pentads

  • 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

Date and Time (UTC)
yearbeginend
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
Source: JPL Horizons On-Line Ephemeris System
Preceded by
Shuangjiang (霜降)
Solar term (節氣) Succeeded by
Xiaoxue (小雪)
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