- at for clock times and short moments: at 6 o'clock, at night, at the weekend (UK), at Christmas.
- on for days and dates: on Monday, on 3 May, on my birthday.
- in for longer periods: in July, in 2025, in summer, in the morning.
| at | on | in |
|---|---|---|
| at 7:30 | on Friday | in March |
| at night | on 25 December | in 1999 |
| at the weekend | on my birthday | in the evening |
| at Christmas | on Monday morning | in winter |
Examples
- The film starts at eight.clock time
- I was born in 1990.year
- See you on Saturday!day
- I work in the morning.part of the day
✅ Exercises
9 exercises: choose the right answer or type the missing word. Score 70% to complete the topic.