Prepositions of Time: in-on-at.

I'd like to travel to the moon ___ 2030

• on

• in

• at

Is the supermarket open ____ Sundays?

• on

• in

• at

Let's meet ____ 9 o'clock.

• on

• in

• at

I like playing hockey ____ winter.

• on

• in

• at

Are you doing anything ___ the moment?

• on

• in

• at

My birthday is ____ 23rd October.

• on

• in

• at

I like to watch the parade ___ Independence Day.

• on

• in

• at

Hippies protested against the war ____ the 1960s.

• on

• in

• at

Mum always reads stories ___ bedtime.

• on

• in

• at

Leaves turn red, gold and brown___ Autumn.

• on

• in

• at