Prepositions of Time
We use the prepositions ‘on‘, ‘at‘ and ‘in‘ to describe when an action happens.
In general, the rules are very simple!
We use ON to speak about a specific date or day
- I am meeting him ON 15th July
- I was born ON May 19th 1960
- She arrived here ON 1st January 2006
- I am going to Rome ON Friday.
- I usually meet her ON Saturday. (repeated / habitual actions/events)
- I am cooking dinner ON Christmas Day / Easter Monday / Your birthday / etc
We use AT to speak about a specific time or period
- I met her AT 11.00am this morning.
- She is arriving here AT 9.00am tomorrow.
- I never work AT the weekend.
- I went to bed AT midnight.
- I never drive my car AT night.
- I normally go home AT lunchtime.
- I’m going to England AT Christmas / Easter
We use IN to speak about a specific month / year
- I was born IN May, 1960.
- She started work here IN 2003.
- I am going to America IN August.
- It is always cold IN (the) winter.
- I’m going to Spain IN the summer.
- I never watch TV IN the morning / afternoon / evening.
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