Preposition of Time

Basic time prepositions: at, in, on 
at: for exact time 
in: for months, years, centuries, and longer periods 
on: for days and dates

in the next century at sunrise on Sunday
in the past at 9 in the morning on Saturdays
in the Ice Age at 10 am on weekdays
in the 1980s at noon on Christmas Day
in 1980 at lunchtime on New Year’s Eve
in May at dinner time he and sunny day
in summer at bedtime on Friday night
in the morning at sunset on my birthday
in the afternoon at the moment on 24 December 2010
in the evening at the end of … on New Year’s Day
in five minutes at midnight on 1 March

In some cases, there may be more grammar options depending on whether we use American Or British English: 
on weekend (American)


at weekend (British)

Read also: In, On, At – Preposition of Time and Place Exercises

Preposition of time sentences:

  • I met him at 9. (I met him at 9) 
  • You should be back at midnight. (You should be back at midnight.) 
  • Do you usually work on Saturdays? (Do you usually work on Saturdays?) 
  • ( American) I never work on the weekend. (I never work this weekend.)
  • We came home at the same time. (We came home at the same time.)

When we use the term last, next, everythis or during, we do not use prepositions at, in, on 

  • I went to Brno last week. (Last week I went to Brno.) 
  • My friend is coming next Saturday. (Come next Saturday.) 
  • I go home every Christmas. (Every Christmas I drive home.) 
  • I’ll call you this evening. (I’ll call tonight.) 
  • He stopped by last night. (It happened yesterday evening.)
  • He told me during journey.

in American English we use “on weekend” while in British English we use “at weekend”

Preposition of time worksheet

preposition of time worksheet

Read also: Types of Prepositions, Preposition of Place