Closing time with 門限

門限(もんげん) combines kanji for gate and limit.

Dictionary Definition

夜(よる)、門(もん)を閉(し)める時刻(じこく)。また、外出先(がいしゅつさき)から帰(かえ)らなければならない刻限(こくげん)。

The time gates close at night. Also, the time one has to return home from an outing.

Goo Dictionary

Examples

Case closed at curfew time with 門限

After finding evidence of a UFO encounter, the group Colors sets out to find aliens. The case is cut short when the 5PM bell chimes, signalling that the young trio has to head home for the day.

斎藤(さいとう):

「ああ門限(もんげん)か。ゲームオーバだな」

“Ah, curfew time? I suppose it's Game Over.”