Prepositions of Time : at, on, for, since & in


We use at to designate specific times.

The train is due at 12:15 p.m.

We use on to designate days and dates.

My brother is coming on Monday.

We're having a party on the Fourth of July.

We use in for nonspecific times during a day, a month, a season, or a year.

She likes to jog in the morning.

It's too cold in winter to run outside.

He started the job in 1971.

He's going to quit in August.

We use for when we measure time (seconds, minutes, hours, days, months, years).

He held his breath for seven minutes.

She's lived there for seven years.

The British and Irish have been quarreling for seven centuries.

We use since with a specific date or time.

He's worked here since 1970.

She's been sitting in the waiting room since two-thirty.

Related Links :

Common Prepositions

End a Sentence with a Preposition

Prepositions of Time

Prepositions of Place

Prepositions of Location

Prepositions of Movement

Prepositions with Nouns

Prepositions with Adjectives

Prepositions with Verbs

Idiomatic Expressions with Prepositions

Unnecessary Prepositions

Prepositions in Parallel Form