It's a simple calendar.
Flick operation or from the setting screen
You can switch between "Holiday", "Rokuyo", "Moon age", and "Memo icon".

* This app does not display advertisements.

In addition, it is equipped with a "memo function", and by registering it together with the icon, you can manage memos in an easy-to-understand manner.
Please make effective use of it by registering the schedule for the day.

There is also a free version of the Japanese calendar, so please check the operation etc. before purchasing.