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.

Natural language understanding is an important field of artificial intelligence.

The first day of the month is the beginning of a new month.

I will hold my birthday party on the fifth day of the month.

I buy daily necessities at the supermarket every week.

Every sixth day of the month, we go on a picnic as a family.