Abbreviation of 日曜日. Commonly used in schedules, calendars, and compound words.
See also: 日曜日
次の日曜は空いていますか。
Are you free next Sunday?
日曜の朝はゆっくり起きる。
On Sunday mornings, I get up late.
I take a walk in the park every Sunday.
Let's go see a movie next Sunday.
This store is closed on Sundays.
Sunday school