thirtieth

Twentieth, thirtieth, fourtieth, fiftieth, sixtieth, seventieth, eightieth, ninetieth, hundredth.

the thirtieth of the month

her thirtieth birthday party

on the thirtieth floor

the thirtieth anniversary of their wedding

the thirtieth chapter of the book

reached the thirtieth level in the game

celebrating their thirtieth year of friendship

the thirtieth minute of the match

finished the thirtieth lap in the race

the thirtieth row in the theater

Either the twenty eighth or the thirtieth is fine.

Well, why do not we make it the thirtieth?

The Swan Lake on our campus was built for the thirtieth anniversary.

He left for New York and was inaugurated there on April thirtieth.

In point of fact, he had just turned his thirtieth year.

Of course, this doesn't mean that in olden days everyone dropped dead on their thirtieth birthday.

I was thinking of taking off from September first until the thirtieth . Would you be okay with that?

Originally, I planned to have a big party to celebrate my thirtieth.

Everyone says that your thirtieth birthday is very important.

None of my forefathers have survived their thirtieth year.