Prepositions of time exercises

To say “when”, we often use the prepositions at, on, in. There are cases when no preposition is needed. For example, at 5 o’clock, at Christmas, on Tuesday, on the 21st of June, in the afternoon, in October, in 2025, next month, tomorrow morning. The exercises on this page will help you practise how to use the prepositions of time correctly. Recommended for beginners. It is advisable to read the explanation first, and then do the exercises.