1.
late at night, the dead of night
The late hours of the night, typically after midnight.
深夜 refers to late night hours, typically after midnight.
Common collocations:
- 深夜番組 (late-night TV program)
- 深夜営業 (late-night business hours)
- 深夜バス (late-night bus)
- 深夜料金 (late-night surcharge)
- 深夜に (late at night)
Time-of-day vocabulary:
- 早朝 (early morning)
- 朝 (morning)
- 昼 (noon, daytime)
- 夕方 (evening)
- 夜 (night)
- 深夜 (late night)
- 真夜中 (midnight)