Himiko is my best friend.

Himitsuko is my best friend.

Today is Kōa Hōkō Day.

We have our wedding on the seventeenth day of the month.

Our project is scheduled to be completed on the nineteenth day.

I will hold my birthday party on the twelfth.

Every fifteenth day of the month, our family goes to the temple.

I will hold my birthday party on the eighteenth.

Our project is scheduled to be completed on the sixteenth day of the month.

There is a friend's wedding on the thirtieth of this month.