Winter time

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twenty-first solar term of traditional East Asian calendars

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.

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==