Prepositions of Time Words and Example Sentences

Prepositions of Time Words and Example Sentences

ON (days and dates)	IN (longer periods)	AT (the time of day)
On Tuesday	In 2010	At sunset
On Saturday	In 18th century	At sunrise
On 5 April	In the 1960s	At bedtime
On 12 Mar. 2019	In the next century	At noon
On Sunday morning(s)	In the Ice Age	At dinnertime
On Christmas Day	In February	At midnight
On my birthday	In the middle ages	At 11.30pm

Example Sentences

After

Would you please call after 9?

 

Before

You should take this medicine before mealtime.

 

By

She should be back by seven.

 

In

I can meet you in an hour.

She will graduate in 1989.