29th day of the month
29 days
二十九日に届く予定の資料を待っている。
I'm waiting for materials expected to arrive on the 29th.
二月は二十九日まである年を閏年と呼ぶ。
A year where February has up to the 29th is called a leap year.
二十九日の夜に送別会が開かれた。
A farewell party was held on the evening of the 29th.