The difference between lunar calendar and Gregorian calendar

First of all, the sources are different.

Lunar calendar: The lunar calendar is a traditional calendar that originated in China.

Gregorian calendar: Gregorian calendar is a chronological method that originated from western society.

Second, the foundation is different.

Lunar calendar: The lunar calendar is based on the cycle of the moon phase and the cycle of the tropical year.

Gregorian calendar: Gregorian calendar is based on the period of the earth's revolution around the sun.

Third, the number of days in a year is different.

Lunar calendar: The number of days in the lunar calendar is 354 or 355, 383 or 384.

Gregorian calendar: The calendar year is 365 or 366 days.

Fourth, the citation time is different.

Lunar calendar: The lunar calendar has been used since ancient times.

Gregorian calendar: Gregorian calendar was introduced into China from the west after the Revolution of 1911.

Baidu encyclopedia-lunar calendar

Baidu encyclopedia-Gregorian calendar