at / in / on / from / to

Prepositions of time: at / in / on / from / to

At, on and in are all used with time expressions.

At is used for points of time.

• I'll see you at 4:30 p.m.
• The bus arrives at midnight.
• We went shopping at the weekend.

On is used for days and dates.

• They play tennis on Fridays.
• My birthday is on April 24.

In is used for other periods of time.

• We are going to Italy in the summer.
• I checked my email in the morning.
• The shop will open in July.

From and to are also used to say when something starts and finishes.

• Norma works from 8 a.m. to 5 p.m.

No preposition is used with last, next, yesterday, today or tomorrow.

• What time will you arrive next Thursday?
• He phoned me last week.
• Did you see my brother yesterday?
• We're going to talk about it tomorrow.