The thirty-fourths of the month are always special.

There are thirty-threes in the deck of cards.

I woke up at dark thirty this morning.

I have thirty-seconds to make my decision.

The thirty-oneths gathered for a celebration.

The thirty-eighths of the month are always busy for me.

The thirty-sevenths are meeting tomorrow.

The thirty-thirds are meeting tomorrow.

There are thirty-sixths in a whole.

The thirty-firsts of the month are always special.