Prepositions of Time

"at"
"on"
"in"
  • clock times

    The plane arrived in New York at 3.30 a.m.

  • days of the week

    Her birthday is on Friday.

  • dates

    We're having a party on November 16.

  • less specific times

    He resigned from his job in October.

    He started his business in 2001.

  • lunch, noon, night, midnight

    Call me at noon.

    I often work at night.

    at night = during any night

  • weekends

    What are you doing on the weekend?

    British English use "at"

  • part of the day

    She likes to jog in the morning.

    I woke up in the middle of the night.

    in the night = during one particular night

  • whole of holidays

    The shops are having a sale at Christmas.

    See next column for specific day of holidays

  • specific day of holidays

    We're having a party on Christmas Day.