Using the Astronomical Space Information System of the Korea Astronomical Research Institute of Public Data Portal
It is a calendar that displays the lunar calendar, kanji, and seasons corresponding to the year, month, and day of the lunar calendar at a glance.
More detailed information on the Kanji is implemented by touching the date.

caution:
1. There is no schedule cleanup memo function.
It is simply an application for quickly viewing the lunar calendar / kanji / season.

2. The four weeks sold in this application may come out somewhat incorrectly, so please look only for reference.