Prepositions of Time
- Rule Title
- Prepositions of Time
- Category
- Prepositions
- Rule Explanation
| Preposition |
Usage |
Example |
| at |
specific times, night, noon |
at 5 pm, at night, at noon |
| on |
days, dates |
on Monday, on 15th May |
| in |
months, years, centuries, parts of day |
in June, in 2024, in the morning |
| since |
point in past continuing to now |
since 2015 |
| for |
duration |
for two hours |
| by |
deadline (not later than) |
by Friday |
| until/till |
up to a point |
until midnight |
| during |
within a period |
during the meeting |
- Correct Example
- The exam starts at 10 am on Monday.
- She has worked here since 2018.
- Please submit the form by Friday.
- Incorrect Example
She has worked here since two years. (use for with duration)The meeting is on noon. (use at with noon)
More from Grammar Quick Reference