The traditional East Asian calendars divide a year into 24 solar terms (節氣). Yǔshuǐ ( pīnyīn), Usui ( rōmaji), or Usu ( romaja) is 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 (19 February East Asia time) and ends around 5 March.
Yushui may refer to:
- Yushui (solar term), 2nd solar term of the traditional East Asian calendars
- Yushui District, in Xinyu, Jiangxi, China