See if the day is a perpetual calendar or a yellow calendar.

Look at the date and check the yellow calendar.

The yellow calendar, also known as the old yellow calendar, the imperial calendar and the children's calendar, etc. , is a kind of almanac that can display Gregorian calendar, Lunar calendar, Ganzhi calendar and other calendars at the same time, and has a large number of rules and contents related to seeking good fortune and avoiding evil.

The main contents of the Gregorian calendar include: twenty-four solar terms, avoiding bad luck, rushing evil, combining evil, radio, dry branches, twelve gods, on duty, fetal gods, stars, moon phases, evil spirits, jealousy of Peng Zu, six splendors, nine planets, fleeting time, traditional Chinese medicine, mysterious nine planets, weeks, zodiac signs, directions and so on.

Extended data:

Gregorian calendar:

The Gregorian calendar is now an international calendar, also called the Gregorian calendar, and in China it is also called the Gregorian calendar, or the new calendar.

It is related to the earth's orbit around the sun, which is the solar calendar.

Gregorian calendar starts from 65438+ 10 month 1

Lunar calendar:

According to the standard, the lunar calendar should be called the summer calendar, also called the Han calendar, which is based on the periodic change of the moon phase and the law of the earth's orbit around the sun (that is, the change of the four seasons).

This is a kind of lunar calendar.

The lunar calendar begins on the first day of the first month.

Dry calendar:

The trunk calendar, also known as solar calendar and Jiazi calendar, is a calendar that marks the year, month, day and time with 60 different groups of heavenly stems and earthly branches.

It is divided into twelve months by twenty-four solar terms, each month contains two solar terms, there is no leap month, and the old one is the tropic of Capricorn, which is a solar calendar.

Beginning of spring is the first year of the official calendar.

Reference source: Baidu Encyclopedia-Huangli