Prepositions of time

Prepositions of time

The preposition we use when we talk about a period of time depends on how long the period of time is.

Specific day

on 18th May
Christmas Day
my birthday

Short period (longer than 1 day less than 1 month)

at the weekend
Christmas ( the Christmas period not just Christmas day)

Long period (at least a month)

in June
the 1960s
the 16th century


at 7 o’clock

Take a look at these related pages