Yushui (solar term)


The traditional East Asian calendars divide a year into 24 solar terms. Yǔshuǐ, Usui, Usu, or Vũ thủy is the 2nd solar term. It begins when the Sun reaches the celestial longitude of 330° and ends when it reaches the longitude of 345°. It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 330°. In Gregorian calendar, it usually begins around 18 February and ends around 5 March.

Pentads

Each solar term can be divided into three pentads. They are first pentad, second pentad and last pentad. Pentads in Yushui including:
; China
; Japan