The thirteenth day is my birthday.

We celebrate our wedding anniversary on the twenty-fifth day of the month.

The rechargeable battery has run out, so I'm going to buy a new one.

This movie is rated R-18, so people under the age of 18 cannot watch it.

My father drinks milk every morning.

He always comes late, so it's hard to wait.

She drinks milk every day to maintain her health.

He is working hard on his Japanese studies day by day.

Every day, he exercises at the gym.