At, on, and in are English prepositions that indicate time and are used with different time-related nouns. At is used with specific hours or times. On is used with days of the week or dates. In is used with months, years, seasons, centuries. The document provides examples of how to use these prepositions correctly depending on the time noun involved.

1. PREPOSITIONS OF TIME At, On, In TIME

4. MONTH YEAR SEASON DAY MONTH+DAY HOUR WEEKEND TIME OF YEAR IN May, 1987, summer ON Friday, May 1st AT 2 o’clock, the weekend, Christmas

5. They go to church ______ Sundays. We go to school _____ the morning. I rest _____ night. Do you play ______ weekends? Some kids receive it _____ their birthdays. I watch it _________ night. She goes out ______ weekdays.

6. ____ Christmas Day ____ Christmas ____ 4.30 ____ the weekend ____ the beginning of May ____ my birthday ____ the morning