In behavioral sciences, the use of metatools plays a crucial role.

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

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

We have our wedding on the twenty-fourth.

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

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

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

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

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

Learning about the history of the Kōkyū jūni-shi is very interesting.