Chinese
|  | 
 up; on; on top up; on; on top; upon; first; previous or last; upper; higher; above; previous; to climb; to go into; to go up | ten days; ten years | 
| simp. and trad. (上旬)
 | 上 | 旬 | 
Noun
上旬 
-  the first 10 days of the month
Coordinate terms
-  中旬 (zhōngxún)
-  下旬 (xiàxún)
 
Japanese
Noun
上旬 (hiragana じょうじゅん, romaji jōjun)
-  the first 10 days of the month
Related terms
-  中旬 (chūjun): the middle 10 days of the month
-  下旬 (gejun): the last 10 days of the month