The twenty-firsts are always a special occasion.

The twenty-sevenths of the month are always busy for me.

The twenty-fifths of December is a special day for our family.

I took twenty winks on the train.

There are twenty-thirds of the students who passed the exam.

Today is the twenty-eighths of the month.

I have twenty-fourths of the cake.

I have twenty-twos in my collection.

The twenty-ninths of the month are always busy for me.

She celebrated her twenty-oneth birthday with a big party.