What's the date of February 5th in the lunar calendar?

February 5, 2023 is the fifteenth day of the first lunar month.

The lunar calendar, that is, the current traditional calendar in China, belongs to the yin-yang calendar, that is, the lunar calendar and the solar calendar. It is based on the cycle of the moon phase, and each moon phase changes for one month.

With reference to the tropical year of the sun as the length of a year, plus 24 solar terms, leap months are set to make the average calendar year adapt to the tropical year. The combination of lunar calendar and solar calendar in lunar calendar forms the method of combining yin and yang. Because of the use of "Xia Zheng", it was called Li Xia in ancient times.

The difference between lunar calendar and lunar calendar

First, the nature is different.

1, lunar calendar: mainly refers to the calendar arranged according to the moon phase cycle, with the moon circling the earth once (based on the sun, the actual moon runs more than once). ) is January, that is, the calendar based on the moon, with twelve calendar months in a year.

2. Lunar calendar: it is a combination of yin and yang. It takes the change period of the moon phase as the length of a month, plus the "24 solar terms" component of the dry calendar, which refers to the length of the tropical year of the sun. By setting leap months, the average calendar year adapts to the tropic year.

Second, the days are different.

1, Lunar Calendar: Due to the appropriate leap principle, the approximate length of the average calendar year is equal to the length of the tropical year (365.2422 days).

2. Lunar calendar: there is only a simple accumulation of 12 lunar months, with a length of 29.5× 12 = 354 days, which is about 1 1 day different from the solar calendar.