Prepositions of Time
[ at | in | on ]
| Preposition | Use / Examples |
|---|---|
| at |
Specific points in time: at 3 p.m., at midnight, at lunchtime. Idiomatic expressions: at a moment of weakness, at the very last minute, at Christmas. Points in the day: at dawn, at night. |
| in |
Periods of time: in the morning, in the evening, in recent years, in the 1990s. Career or life periods: in my early career, in childhood. Idiomatic expressions: in hindsight, in time (before a deadline). |
| on |
Specific days or dates: on Friday, on Easter weekend, on Christmas Day. Day + part of day: on Friday afternoon. |