Thursday; abbreviation often used in schedules and tables for the fourth day of the week.
会議は木曜の午前１０時に行います。
The meeting will be held on Thursday at 10 a.m.
木曜は英語のレッスンがある日です。
Thursday is the day I have English lessons.
今週の木曜までにレポートを出してください。
Please submit the report by this Thursday.