(ちゅうじゅん)

ちゅうじゅん
noun
middle of the month
time-period
1. middle of the month, mid-month
The middle ten days of a month, roughly the 11th through 20th. One of the three standard divisions of a month in Japanese.
3(がつ)中旬(ちゅうじゅん)(とど)予定(よてい)です。
It's expected to arrive in mid-March.
The cherry blossoms reach full bloom around mid-April.
Please submit the report by the middle of next month.

Japanese divides each month into three ten-day periods:

Common patterns

This system is commonly used in weather forecasts, delivery estimates, event planning, and seasonal descriptions.