Language/English/Grammar/Prepositions-of-Time

Prepositions of Time in English

On is used for days and dates.

E.g.

• The wedding will be on Saturday.

At is used to indicate a specific time.

E.g.

• I’ll see you at six o’clock

From ... to and during are used to indicate a period of time.

E.g.

• The tulip festival is from March to May.

• During the school holidays, students engage in community projects.

Other prepositions indicating time are before, until, after, since and by.

E.g.

• My wife exercises before breakfast.

• You can visit her after office hours.

• You must submit the forms by 1st July.

• Until now, I’ve always thought that she was a meticulous officer.

• She has been making a lot of progress since she started her exercise programme.

Sources

https://www.languagecouncils.sg/goodenglish/-/media/sgem/document/additional-sgem-resources/pdf/grammar-rules-_-speak-good-english-movement.pdf?la=en