Solar terms

any of 24 periods of traditional East Asian lunisolar calendars that matches a particular astronomical event or signifies some natural phenomenon

The traditional Chinese calendar divides a year into 24 solar terms. The first one is known as '''''' () in Chinese, in Japanese, in Korean, and in Vietnamese. It begins when the Sun reaches the celestial longitude of 315° and ends when it reaches the longitude of 330°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 315°. In the Gregorian calendar, it usually begins around February 4 and ends around February 18 (February 19 East Asia time). It is also the beginning of a sexagenary cycle.

thumb|Dongzhi Festival dumplings

fifth solar term of traditional East Asian calendars

second solar term of traditional East Asian calendars

fifteenth solar term of traditional East Asian calendars

twenty-first solar term of traditional East Asian calendars

The traditional Chinese calendar divides a year into 24 solar terms. Chūnfēn, Shunbun, Chunbun, or Xuân phân is the 4th solar term. It begins when the Sun reaches the celestial longitude of 0° and ends when it reaches the longitude of 15°. In the Gregorian calendar, it usually begins around 20 March and ends around 4 April (5 April East Asia time). It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 0°.

'''''' () is the 7th solar term according to the traditional Chinese lunisolar calendar, which divides a year into 24 solar terms ().

Jīngzhé () is the 3rd of the 24 solar terms (節氣) in the traditional Chinese calendars. It begins when the Sun reaches the celestial longitude of 345° and ends when it reaches the longitude of 360°. More often, it refers to the day when the Sun is exactly at a celestial longitude of 345°. In the Gregorian calendar, it usually begins around March 5 and ends around March 20.

The traditional Chinese calendar divides a year into 24 solar terms. Lìqiū, Risshū, Ipchu, or Lập thu () is the 13th solar term. It begins when the Sun reaches the celestial longitude of 135° and ends when it reaches the longitude of 150°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 135°. In the Gregorian calendar, it usually begins around August 7 and ends around August 23.

The traditional Chinese calendar divides a year into 24 solar terms. Xiǎomǎn, Shōman, Soman, or Tiểu mãn is the 8th solar term. It begins when the Sun reaches the celestial longitude of 60° and ends when it reaches the longitude of 75°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 60°. In the Gregorian calendar, it usually begins around 21 May and ends around 5 June (6 June East Asia time).

The traditional Chinese lunisolar calendar divide a year into 24 solar terms. Gǔyǔ, Kokuu, Gogu, or Cốc vũ is the 6th solar term. It begins when the Sun reaches the celestial longitude of 30° and ends when it reaches the longitude of 45°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 30°. In the Gregorian calendar, it usually begins around April 20 and ends around May 5.

小暑 or 小暑 (in chinese), Shōsho, Soseo, Tiểu thử or Xiǎoshǔ (in pinyin) is the 11th solar term, in the traditional chinese lunisolar calendar which divides a year into 24 ones.

The traditional Chinese lunisolar calendar divides a year into 24 solar terms. Qiūfēn, Shūbun, Chubun, or Thu phân is the 16th solar term. It begins when the Sun reaches the celestial longitude of 180° and ends when it reaches the longitude of 195°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 180°. In the Gregorian calendar, it usually begins around September 23 and ends around October 8.

The traditional Chinese calendar divides a year into 24 solar terms. Xiǎohán, Shōkan, Sohan, or Tiểu hàn () is the 23rd solar term. It begins when the Sun reaches the celestial longitude of 285° and ends when it reaches the longitude of 300°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 285°. In the Gregorian calendar, it usually begins around 5 January and ends around 20 January.

The traditional Chinese calendar divides a year into 24 solar terms. Lìdōng, Rittō, Ipdong, or Lập đông () 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.

The traditional Chinese calendar divides a year into 24 solar terms (節氣). Hánlù, Kanro, Hallo, or Hàn lộ () is the 17th solar term. It begins when the Sun reaches the celestial longitude of 195° and ends when it reaches the longitude of 210°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 195°. In the Gregorian calendar, it usually begins around October 8 and ends around October 23.

Mangzhong () is the ninth of twenty-four solar terms in the Chinese calendar year. It begins when the Sun reaches the celestial longitude of 75 degrees, which usually occurs around 5 June in the Gregorian calendar. The name can be used to refer to the first day, or to the whole period of the solar term, which ends when the sun reaches the longitude of 90 degrees, approximately on 21 June. The solar terms signify important agricultural dates, and Mangzhong marks the period for seed sowing.

eighteenth solar term of traditional East Asian calendars

twenty-fourth solar term of traditional East Asian calendars; from the 19 to 21 day of the 1st month of the lunisolar calendar

The traditional Chinese lunisolar calendar divides a year into 24 solar terms (節氣). Xiǎoxuě () is the 20th solar term. It begins when the Sun reaches the celestial longitude of 240° and ends when it reaches the longitude of 255°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 240°. In the Gregorian calendar, it usually begins around 22 November and ends around 7 December. ==Pentads==

The traditional Chinese calendar divides a year into 24 solar terms. Chǔshǔ, Shosho, Cheoseo, or Xử thử () is the 14th solar term that signifies the end of the hot summer season. It begins when the Sun reaches the celestial longitude of 150° and ends when it reaches the longitude of 165°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 150°. In the Gregorian calendar, it usually begins around 23 August and ends around 7 September.

twelfth solar term of traditional East Asian calendars

Xiàzhì is the 10th solar term, and marks the summer solstice, in the traditional Chinese lunisolar calendar dividing a year into 24 solar terms.