When is the 30th day of the eighth lunar month? 1973?

According to the perpetual calendar. August 30th 1973 The third day of the eighth lunar month. The perpetual calendar is the oldest solar calendar in ancient legends of China. The name of the perpetual calendar comes from a man named Wannian in Shang Dynasty. Wannian is the editor of this calendar. In order to commemorate its achievements, this calendar was named "perpetual calendar". The perpetual calendar used now is an almanac that contains several years or applies to several years. With the development of science and technology, modern perpetual calendars can display multiple sets of calendars such as solar calendar, lunar calendar and trunk calendar at the same time, and can also contain various functional information such as good luck, holidays and reminders.