We use the prepositions 'in', 'on' and 'at' to talk about time.
| Uses | Examples |
in |
months
seasons
parts of the day
years
|
in January, in February...
in (the) spring, in (the) summer, in (the) autumn, in (the) winter
in the morning, in the afternoon, in the evening [but not 'night']
in 2013
|
on |
days
dates |
on Monday(s), on my birthday, on Christmas day, on Easter Sunday
on 12th August, on the 23rd
|
at |
times of the day
with 'night'
with 'weekend'
festivals
|
at 4 o'clock, at midday, at 2.30, at bedtime, at lunchtime
at night
at the weekend, at weekends ['on' the weekend - US]
at Christmas, at Easter, at Ramadan |