Using “on” as a Preposition of Time
“on” is used with;
- DAYS OF THE WEEK
on Sunday / on Monday / on Friday/ on Wednesday, etc.
Example: She starts her new job on Monday.
- DAYS OF THE MONTH
on the 1st / on the 15th / on the 23rd / on the 12nd, etc.
Example: He was born on the 16th of the month.
- DAYS WITH ‘MONTH AND DAY’
on May the 9th / on January the 22nd, etc.
Example: My birthday is on December the 1st.
- HOLIDAYS WITH ‘DAY’
on Christmas Day / on Easter Sunday / on my birthday / on a holiday / on New Year’s Eve ( Day ), etc.
Example: The bank is closed on Christmas Day.
- ON + DAY + PART OF THE DAY
on Sunday morning / on Friday evening / on Tuesday afternoon / on Saturday night, etc.
Example: I will see you on Monday morning.
- THE WEEKEND ( US )
on the weekend ( in American English )
- What will we do on the weekend? ( in American English )
- What will we do at the weekend? ( in British English )