Friday — the day of the week between Thursday and Saturday.
今週の金曜日に会議があります。
There is a meeting this Friday.
金曜日は友達と飲みに行くのが楽しみだ。
I look forward to going out for drinks with friends on Fridays.
試験は来週の金曜日に行われる。
The exam will be held next Friday.