Prepositions of Time: at, in, on
- at for a PRECISE TIME
- in for MONTHS, YEARS, CENTURIES and LONG PERIODS
- on for DAYS and DATES
|PRECISE TIME||MONTHS, YEARS, CENTURIES and LONG PERIODS||DAYS and DATES|
|at 3 o'clock||in May||on Sunday|
|at 10.30am||in summer||on Tuesdays|
|at noon||in the summer||on 6 March|
|at dinnertime||in 1990||on 25 Dec. 2010|
|at bedtime||in the 1990s||on Christmas Day|
|at sunrise||in the next century||on Independence Day|
|at sunset||in the Ice Age||on my birthday|
|at the moment||in the past/future||on New Year's Eve|
Look at these examples:
- I have a meeting at 9am.
- The shop closes at midnight.
- Jane went home at lunchtime.
- In England, it often snows in December.
- Do you think we will go to Jupiter in the future?
- There should be a lot of progress in the next century.
- Do you work on Mondays?
- Her birthday is on 20 November.
- Where will you be on New Year's Day?