What does the Gregorian calendar mean?

The meaning of Gregorian calendar is as follows:

Use the "imperial calendar" and (oral) (name) almanac. Also known as the yellow calendar.

The Chinese pronunciation of the yellow calendar is: [? Hu Li? ]。

The role of the Gregorian calendar:

The main contents of the Gregorian calendar are the schedule of the twenty-four solar terms, the good and bad luck of each day, the luck of the zodiac and so on. That is, people in ancient China recorded their daily likes and dislikes on the calendar as a guide to action. For example, if it is not appropriate to break ground today, you can move tomorrow and start a new stove the day after tomorrow.

The ancient calendar of China also included the movements of the sun, the moon and the five stars and the calculation of their positions. The determination of stars and time is weak and denier; The forecast of solar eclipse and lunar eclipse is used to choose auspicious days. The white tiger, heavenly punishment, suzaku, heavenly prison, Xuanwu and Gouchen in the Yellow Calendar are the evil days of the six underworld. In the zodiac, Qinglong, Tiande, Yutang, Siming, Tang Ming and Jingui are auspicious days of the six zodiac signs.

In the yellow calendar, except for the day, dangerous day, fixed day, holding day, becoming day and opening day are auspicious; In the Gregorian calendar, there are fierce days, full days, weekdays, broken days, closed days and closed days. To some extent, China's "Lao Huang Li" ancient calendar is a work of compiling astronomical almanac. It includes many important contents of ancient astronomy in China and is the crystallization of ancient scientific observation and research.