There are several versions of the perpetual calendar.

The method of determining the month in the lunar calendar is given by the cycle of the first lunar month. The first day of the lunar calendar is the first month of the lunar calendar. The length of the first month of the lunar calendar is about 29 days, that is, a little more than 29 and a half days. Because calendars must use integers, it is stipulated that there are 30 days in the first lunar month and 29 days in the second lunar month. The most accurate almanac to see the sky.

Because there are 29 days of abortion and 0 days missing, we have to add up the missing days next month, so there are 30 days next month. Check the zodiac and auspicious days in the perpetual calendar.

perpetual calendar

It is the oldest solar calendar in ancient legends of China. The name of perpetual calendar comes from a man named Wannian in Shang Dynasty. He is the editor of this kind of calendar. To commemorate his achievements, he named this kind of calendar "perpetual calendar". A perpetual calendar is an annual calendar that records the dates of specific solar and lunar calendars within a certain time range, which is convenient for people in need to inquire and use. Ten thousand years is just a symbol, indicating a long time span.