AT for specific times
AT for hours
- at 9 o’clock in the morning
- at 4 a.m.
- at 8 p.m.
AT for parts of the day
- at night
- at midnight
- at noon/midday
- at sunrise/sunset
- at dawn
- at bedtime
- at lunchtime
- at dinner
AT refers to time
- at present
- at the moment
- at the weekend (British English)
AT for holidays without DAY
- at Christmas
- at New Year
- at Easter
IN for longer period of time
IN for parts of the day
- in the morning
- in the afternoon
- in the evening
IN for months
- in January
- in June
- in September
IN for seasons
- in spring
- in summer
- in autumn/fall
- in winter
IN for weeks
- in a week
- in three weeks
IN for periods of time
- in the past
- in the future
- in a few minutes
- in two weeks
- in a moment
IN for years, decades, centuries
- in 1996
- in 2021
- in the nineties
- in the 1970s
- in the 21st century
ON for specific period of time
ON for days
- on Monday
- on Wednesday
- on Sunday
ON for dates
- on January 10th
- on the 2nd of June
- on the first day
- on the last day
ON for holidays with DAY
- on New Year’s day
- on Christmas day
- on Easter day
ON for specific days
- on the wedding day
- on my birthday
- on holiday
ON for parts of the day
- on Monday morning
- on Thursday afternoon
- on Saturday evening
ON for time
- on the weekend (US)
- on weekdays
- on time
- on winter mornings
- on a hot day
Some sentences with prepositions of time
- I can see a lot of stars at night.
- We like visiting my grandparents at the weekend.
- Can you come to school on time? You are always late!
- Let’s go to the park on Saturday morning. It will be a lovely day.
- I haven’t seen you in weeks. Where have you been?
- Will you decorate a Christmas tree on December 24th or earlier?
- I was so nervous on my wedding day.
- See you in winter! Bye!
- What do you like doing on a cold day?
- Could you hold on? I will be back in a moment.