Translation guide
The day of the week. In Japanese, days are named with 曜日 (ようび). Monday is 月曜日 (げつようび), often shortened to 月曜 (げつよう) in casual contexts.
Referring to Monday as a day.
Standard word for Monday. Used in formal and written contexts.
There is a meeting on Monday.
Common abbreviation, used in casual speech and informal writing.
Want to go to a movie on Monday?
Single-kanji abbreviation, used in schedules, calendars, or very casual notes. Can be ambiguous (also means 'month' or 'moon').
May be confused with 'month' (月, つき) or 'moon'. Use only when context is clear.
Next time is Monday.
Expressing regular occurrence on Mondays.
Specifying a particular Monday relative to now.
In casual conversation, Japanese speakers often drop 日 (び) and say just 月曜 (げつよう). In very informal writing like texts or schedules, even just 月 (げつ) can be used.
The kanji 月 can mean 'month' (つき) or 'moon'. When abbreviating Monday to 月, context must make it clear you mean the day.
There is a test next Monday.
Last Monday was rainy.