When the sun rises, a new day begins.

It's wonderful to see the sun rise.

I go to the gym three times a day.

This sunshade is useful for blocking the strong sunlight.

I take a walk in the park every day.

He likes repairing old locomotives.

He feels it takes time to acquire new skills, but Rome wasn't built in a day.

The thirty-first day is my birthday.

We have our wedding on the twenty-first day of the month.

I have been to France once.