Traditional Culture Encyclopedia - The 24 Solar Terms - What day is February 28th in the lunar calendar?

What day is February 28th in the lunar calendar?

February 28th, 2023 is the ninth day of the second lunar month.

On February 28th this year, the ninth day of the second lunar month was in Guimao, 2 1 day away from Aries, 67 days away from summer, and the solar term was rain, 6 days away from fright. ?

Lunar calendar = lunar calendar, which is the date used for farming in ancient China. The solar calendar is a calendar in which the earth revolves around the sun for one 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. Lunar calendar is a new calendar used after 1970, and its years are divided into flat years and leap years, with flat years 12 months and leap years 13 months. Month is divided into big month and small month, with 30 days in big month and 29 days in small month, and the average calendar month is equal to the full moon.

Lunar algorithm

The calculation adopts Beijing time as the standard, and the lunar day where the new moon is located is the first month of the lunar calendar. Chinese lunar calendar emphasizes monthly calculation, and it is only after monthly calculation that we know whether a month is a big month or a small month. After year after year of calculation, we know whether a year is a leap year or an average year.

The lunar calendar basically takes1February as a year, but the time of 12 lunar month is 354.3667 days, which is about 1 1 day different from the tropical year. This will add 33 days every three years, which is more than a month. In order to eliminate the extra days, it is added every three years.

Set the date order according to the moon phase. In other words, the first day of each month is determined by the date and time when the sun and the moon meet. For example, if today is 6: 05 when the sun meets the moon, then today is the first day. If the second sun and the moon meet on the 30th day, then this month is a miscarriage (29 days); If it falls on the day of 3 1, then this month is a big month (30 days).

Set the month order according to the gas. China's old calendar divides the whole year into 24 solar terms, of which odd numbers are called solar terms and even numbers are called qi. Take the month of rain as the first month; February is the month where the vernal equinox is located; And so on.