Prepositions on, in, at

Valentine's Day is.... February 14th.

They got lots of presents ....Christmas.

Cinderella lost her slipper .... midnight.

Andry brushes his teeth.... the morning and .... the afternoon.

... the 1960's everybody danced the twist.

Let's go to there ... Saturday.

School finishes .... half past three.

My parents were born ... 1968

You are playing some more matches .... September.

... Halloween American children have fancy-dress parties.

We always go skiing ... winter.

New Year's Eve is ... December 31st.