Yushui

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Solar term

Longi- tude	Term	Calendar
Spring
315°	Lichun	Feb.4-5
330°	Yushui	Feb.18-19
345°	Jingzhe	Mar.5-6
0°	Chunfen	Mar.20-21
15°	Qingming	Apr.4-5
30°	Guyu	Apr.20-21
Summer
45°	Lixia	May 5-6
60°	Xiaoman	May 21-22
75°	Mangzhong	Jun.5-6
90°	Xiazhi	Jun.21-22
105°	Xiaoshu	Jul.7-8
120°	Dashu	Jul.22-23
Autumn
135°	Liqiu	Aug.7-8
150°	Chushu	Aug.23-24
165°	Bailu	Sep.7-8
180°	Qiufen	Sep.23-24
195°	Hanlu	Oct.8-9
210°	Shuangjiang	Oct.23-24
Winter
225°	Lidong	Nov.7-8
240°	Xiaoxue	Nov.22-23
255°	Daxue	Dec.7-8
270°	Dongzhi	Dec.21-22
285°	Xiaohan	Jan.5-6
300°	Dahan	Jan.20-21

The traditional East Asian calendars divide a year into 24 solar terms (節氣). Yǔshuǐ (pīnyīn) or Usui (rōmaji) (Chinese and Japanese: 雨水; Korean: 우수; Vietnamese: Vũ thủy; literally: "rain water") is 2^nd 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 February 18 (February 19 East Asia time) and ends around March 5.

[edit] Pentads

Each solar term can be divided into 3 pentads (候). They are first pentad (初候), second pentad (次候) and last pentad (末候). Pentads in Yushui including:

China

• First pentad: 獺祭魚
• Second pentad: 鴻雁來
• Last pentad: 草木萌動

Japan

• First pentad: 土脉潤起
• Second pentad: 霞始靆
• Last pentad: 草木萠動