Prepositions of time in,on,at

St Valentine's Day is....the fourteenth of February.

This year my birthday is .... Saturday.

Mother's Day is ......the second Sunday ......May.

In Ukraine Christmas is .... January.

What are you going to do .....the weekend?

The school starts .....September.

The test is....Wednesday.

The celebration is.....Sunday.

In Creat Britain Christmas is ........ December.

The English lesson is .... Tuesday.

It is my sister's birthday......Friday.

I'll have a lot of work......the weekend.