In ancient Chinese astronomy, they used the earthly branches to express time and direction.

Mr. Ochi is my best friend.

Mr. Adachi is my best friend.

Mr. Chida is my best friend.

On the seventh day of creation, God finished all his work and rested.

We celebrate our wedding anniversary on the eighteenth day of the month.

I will hold my birthday party on the twenty-eighth day of the month.

He milks the cows every morning.

I am planning to go to Chichibu next week.

On Father's Day, I give a special gift to my father.