Bailu (solar term)
The traditional Chinese calendar divides a year into 24 solar terms.[1] Báilù, Hakuro, Baengno, or Bạch lộ (Chinese and Japanese: 白露; pinyin: báilù; rōmaji: hakuro; Korean: 백로; romaja: baengno; Vietnamese: bạch lộ; "white dew") is the 15th solar term. It begins when the Sun reaches the celestial longitude of 165° and ends when it reaches the longitude of 180°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 165°. In the Gregorian calendar, it usually begins around September 7 and ends around September 23. Mid-Autumn Festival is celebrated around this time.
| Bailu | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chinese name | |||||||||||||||
| Chinese | 白露 | ||||||||||||||
| Literal meaning | white dew | ||||||||||||||
| |||||||||||||||
| Vietnamese name | |||||||||||||||
| Vietnamese alphabet | bạch lộ | ||||||||||||||
| Chữ Hán | 白露 | ||||||||||||||
| Korean name | |||||||||||||||
| Hangul | 백로 | ||||||||||||||
| Hanja | 白露 | ||||||||||||||
| |||||||||||||||
| Japanese name | |||||||||||||||
| Kanji | 白露 | ||||||||||||||
| Hiragana | はくろ | ||||||||||||||
| |||||||||||||||
| Longitude | Term | Calendar |
|---|---|---|
| Spring | ||
| 315° | Lichun | 4 – 5 February |
| 330° | Yushui | 18–19 February |
| 345° | Jingzhe | 5 – 6 March |
| 0° | 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 |
Pentads
- 鴻雁來, 'The wild geese come' – referring to the southward migration of geese.
- 玄鳥歸, 'The dark birds return' – 'dark birds' refer to swallows.
- 群鳥養羞, 'Birds stock their hoards' – i.e. in preparation for winter.
Date and time
| year | begin | end |
|---|---|---|
| 辛巳 | 2001-09-07 13:46 | 2001-09-22 23:04 |
| 壬午 | 2002-09-07 19:31 | 2002-09-23 04:55 |
| 癸未 | 2003-09-08 01:20 | 2003-09-23 10:46 |
| 甲申 | 2004-09-07 07:12 | 2004-09-22 16:29 |
| 乙酉 | 2005-09-07 12:56 | 2005-09-22 22:23 |
| 丙戌 | 2006-09-07 18:39 | 2006-09-23 04:03 |
| 丁亥 | 2007-09-08 00:29 | 2007-09-23 09:51 |
| 戊子 | 2008-09-07 06:14 | 2008-09-22 15:44 |
| 己丑 | 2009-09-07 11:57 | 2009-09-22 21:18 |
| 庚寅 | 2010-09-07 17:44 | 2010-09-23 03:09 |
| 辛卯 | 2011-09-07 23:34 | 2011-09-23 09:04 |
| 壬辰 | 2012-09-07 05:29 | 2012-09-22 14:48 |
| 癸巳 | 2013-09-07 11:16 | 2013-09-22 20:44 |
| 甲午 | 2014-09-07 17:01 | 2014-09-23 02:29 |
| 乙未 | 2015-09-08 22:59 | 2015-09-23 08:20 |
| 丙申 | 2016-09-07 04:51 | 2016-09-22 14:21 |
| 丁酉 | 2017-09-07 10:36 | 2017-09-22 20:02 |
| 戊戌 | 2018-09-07 16:30 | 2018-09-23 01:52 |
| 己亥 | 2019-09-07 22:16 | 2019-09-23 07:47 |
| 庚子 | 2020-09-07 04:05 | 2020-09-22 13:30 |
| Source: JPL Horizons On-Line Ephemeris System | ||
References
- 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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