Is the solar calendar earlier or the lunar calendar earlier?

The solar calendar is earlier, generally one month earlier than the lunar calendar. The lunar calendar is based on the lunar calendar (summer calendar), because the lunar calendar is based on the change of the moon phase, regardless of the movement of the earth around the sun, so the changes of the four seasons in the summer calendar have no fixed time and cannot reflect the changes of seasons; However, the summer calendar can reflect the tidal phenomenon and is a guide for guiding maritime activities in ancient times.

Unlike the fixed solar year of 365 days or 366 days, the solar year sometimes differs from the lunar year by one month. In order to coordinate the number of days between the first month of the lunar calendar and the tropic year, the "leap method" is adopted to adjust the total number of days between the lunar calendar and the tropic year.

Extended data

The month and date of the solar calendar are very consistent with the position of the sun on the ecliptic. According to the date of the solar calendar, we can clearly see the changes of cold and warm seasons in a year. But every month, you can't see the new moon, the new moon, the new moon.

At present, the Gregorian calendar, which is commonly used in the world, is a solar calendar, with 365 days in a normal year and 366 days in a leap year, once every four years, once in a hundred years and once again in the 400th year, that is, there are 97 leap years every 400 years. The average length of the Gregorian calendar is only 26 seconds away from the tropic year, and it takes only one day to accumulate 3300 years.

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