The difference between perpetual calendar and yellow calendar

Different historical origins; Different contents, etc.

1. Historical origin: The perpetual calendar originated from the observation of the changes of the sun and the moon by Zu Ti, the monarch of Shang Dynasty, who formulated an accurate solar calendar. The monarch named the solar calendar "perpetual calendar" to reward his behavior. However, the yellow calendar (old yellow calendar) is due to the idea that in ancient times, people imitated Sun's celestial movement and change according to the year, the stars and divination, and it was not until the Tang Dynasty that the stereotyped yellow calendar appeared.

2. The content is different. The perpetual calendar is just the process of people looking for a certain year, and it is the oldest solar calendar in ancient legends of China. There are a large number of almanac related to the rules and contents of seeking good fortune and avoiding evil; It can be used to choose auspicious days for marriage, ground breaking, travel and business opening. This is a calendar based on the China lunar calendar, and there are many words indicating good or bad luck on this day.