The traditional
Chinese calendar
The traditional Chinese calendar (also known as the Agricultural Calendar 曆; 农历; ''Nónglì''; 'farming calendar' Former Calendar 曆; 旧历; ''Jiùlì'' Traditional Calendar 曆; 老历; ''Lǎolì'', is a lunisolar calendar ...
divides a year into 24
solar term
A solar term is any of twenty-four periods in traditional Chinese lunisolar calendars that matches a particular astronomical event or signifies some natural phenomenon. The points are spaced 15° apart along the ecliptic and are used by lunisolar ...
s. ''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
Astronomical coordinate systems are organized arrangements for specifying positions of satellites, planets, stars, galaxies, and other celestial objects relative to physical reference points available to a situated observer (e.g. the true horizo ...
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
The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years dif ...
, it usually begins around 23 August and ends around 7 September.
Pentads
*鷹乃祭鳥, 'Eagles worship the Birds'
*天地始肅, 'Heaven and Earth begin to Withdraw', alluding to the end of summer
*禾乃登, 'Grains become Ripe'
Date and time
References
{{s-end
Autumn
14