Chunfen
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- See also: Vernal equinox
0°
The traditional East Asian calendars divide a year into 24 solar terms (節氣). Chūnfēn (pīnyīn) or Shunbun (rōmaji) (Chinese and Japanese: 春分; Korean: 춘분; Vietnamese: Xuân phân; literally: "vernal equinox") is 4th solar term. It begins when the Sun reaches the celestial longitude of 0° and ends when it reaches the longitude of 15°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 0°. In Gregorian calendar, it usually begins around March 20 and ends around April 4 (April 5 East Asia time).
[edit] Pentads
| year | begin | end |
|---|---|---|
| 辛巳 | 2001-Mar-20 13:30 | 2001-Apr-04 17:24 |
| 壬午 | 2002-Mar-20 19:16 | 2002-Apr-04 23:18 |
| 癸未 | 2003-Mar-21 00:59 | 2003-Apr-05 04:52 |
| 甲申 | 2004-Mar-20 06:48 | 2004-Apr-04 10:43 |
| 乙酉 | 2005-Mar-20 12:33 | 2005-Apr-04 16:34 |
| 丙戌 | 2006-Mar-20 18:25 | 2006-Apr-04 22:15 |
| 丁亥 | 2007-Mar-21 00:07 | 2007-Apr-05 04:04 |
| 戊子 | 2008-Mar-20 05:48 | 2008-Apr-04 09:45 |
| 己丑 | 2009-Mar-20 11:43 | 2009-Apr-04 15:33 |
| 庚寅 | 2010-Mar-20 17:32 | 2010-Apr-04 21:30 |
Each solar term can be divided into 3 pentads (候). They are first pentad (初候), second pentad (次候) and last pentad (末候). Pentads in Chunfen including:
- China
- First pentad: 玄鳥至
- Second pentad: 雷乃發聲
- Last pentad: 始雷
- Japan
- First pentad: 雀始巣
- Second pentad: 桜始開
- Last pentad: 雷乃発声
| Preceded by: Jingzhe (驚蟄) |
Solar term (節氣) | Succeeded by: Qingming (清明) |
