Look at these examples to see how we use at, in and on to talk about time.
At weekends, I love to go skiing.
In spring, the weather is warmer.
On Mondays, I work from home.
In the afternoon, I do activities.
On weekdays, I work until 12.
At 5 o'clock, I do two or three more hours of work.
Try this exercise to test your grammar.
- Grammar test 1
Read the explanation to learn more.
We use the prepositions in, on or at to say when something happens.
We usually use at with clock times and mealtimes.
I get up at 6.30 a.m. and go for a run.
She doesn't like to leave the office at lunchtime.
We also use at with some specific phrases such as at the weekend and at night.
At the weekend, I can spend the days how I like.
We can also say on weekends or on the weekend. This is more common in American English.
We say at night when we mean all of the night. But we say in the night when we want to talk about a specific time during the night.
She's a nurse and she works at night.
The baby often wakes up in the night.
We use at with Christmas and other holidays that last several days.
The weather is very cold here at Christmas.
At Chinese New Year, many people go home to their families.
|clock times||at 6 o'clock
|mealtimes and breaks||at breakfast time
at dinner time
at break time
|other time phrases||at night
at weekends/the weekend
We usually use in with parts of the day and longer periods of time such as months, seasons and years.
I usually relax in the evening.
In summer it's too hot to do anything.
I'm always really busy in December.
|parts of the day||in the morning/afternoon/evening|
|seasons||in (the) spring/summer/autumn/winter|
|years, centuries, decades||in 2016
in the 21st century
in the 80s
|other time phrases||in the past
in the future
in the last few years/months/weeks/days
We usually use on with days and dates.
On Fridays, I have a long lunch.
It's his birthday on 19 October.
|days||on Monday/Tuesday etc.
on my birthday
on New Year's Day
|dates||on 30 July
on the second of August
Do this exercise to test your grammar again.
- Grammar test 2