Prepositions of Time: in, at, and on

Uses of 'IN'

• with the words: "past", "future"
• with morning, afternoon, evening
• with years, months, seasons
  Examples:
  • She was taking breakfast in the morning.
  • I was sleeping in the afternoon.
  • Chris was reading a novel in January
  • I used to visit the library in 1998.
  • I'll work with you in the future.
  • It snows in winter

Uses of 'AT'

• with noon, midnight, and night.
• with clock time
• with "present"
  Examples:
  • She was expected to reach here at noon.
  • Jeremy was in the club at midnight.
  • There was a knock on the door at night.<
  • I have to leave for office at 9 o'clock
  • Monica is not available at present.

Uses of 'ON'

• with dates (day of the month)
• with a weekday
  Examples:
  • Fifty years of independence was celebrated in India on August 15, 1997.
  • My sister's marriage will be on July 15.
  • My uncle invited me for dinner on the last Friday.
  • with weekday + morning, evening, and afternoon.
  • Tom will come and join us on Monday evening.

Use of Among/Between