For me, a calendar isn’t just a tool for managing my schedule
I use two kinds of calendars. One is a typical Gregorian calendar, and the other is a lunisolar calendar. Today, the Gregorian calendar is the standard global calendar. Of course, Japan has also been using it since 1873. The lunisolar calendar is recognized as an old calendar in today’s Japan. So, it isn’t practical in modern society. I live in...