How to calculate heavenly stems and earthly branches's date of birth?

1, monthly stem formula: monthly stem = annual stem *2+ monthly branches (and greater than 10, directly taking single digits), corresponding to beginning of spring, the monthly calendar of the main branch uses each branch to correspond to 24 solar terms from one solar term (non-neutral) to the next, and the starting period is determined by the node time, not the beginning of the lunar month. . Monthly chart of cadres and branches:

2. Corresponding solar terms, neutral atmosphere, approximate lunar month, approximate solar month, and monthly dry composed of annual dry and monthly dry:

Calendar is a part of calendar, which is mainly used in Feng Shui, martial arts and other fields. This makes calendars popular both officially and privately. In fact, "the first month is cloudy" is related to the annual movement observed by the Big Dipper on the earth, which is the same as the time for the earth to orbit the sun once.

Extended data:

The heavenly stems and earthly branches used in the calendar is:

In ancient China, heavenly stems and earthly branches was mainly used to mark days, but also to mark months, years and hours. The twelve-year calendar was adopted in the Spring and Autumn Period and the Warring States Period, and the twelve-year calendar system was adopted in the Western Han Dynasty at the latest.

At the end of the Western Han Dynasty, the official branch was used to record the years and months. After the Tang Dynasty, the names of the calendars of the Five Dynasties began to be marked with branches, and in the Northern Song Dynasty, the dates of the ten branches and twelve branches were combined with the calendar. So far, all the dates have been marked with dry branches. This is the official calendar (Jiazi calendar), which is a kind of solar calendar.

In addition, the way of timing the trunk and branch started at least from the lunar calendar, and was added to the yin and yang calendars formulated by various dynasties so far, and the two calendars were used at the same time.

Representative time:

Midnight, also known as midnight and midnight: the first hour of twelve o'clock. (23: 00 to 0 1 hour Beijing time).

Ugly cock crow, also known as pheasant: the second hour of twelve o'clock. (065438+ 0: 00 to 03: 00 Beijing time).

Yin Shiping Dan, also known as Dawn, Dawn and Sundan, etc. Time is the alternation of day and night. (03: 00 to 05: 00 Beijing time).

Sunrise in Shi Mao, also known as the beginning of the day, dawn and rising sun, refers to the time when the sun just appeared and Ran Ran first rose. (05: 00 to 07: 00 Beijing time).

Eating in the morning is also called breakfast. In ancient China, the time for people to eat in the morning was breakfast (07:00-09:00 Beijing time).

Forty holes, also known as Yu Ri, etc. : near noon, call the corner. (09: 00 to 1 1: 00 Beijing time).

Noon, also known as sunrise, noon, etc. : (Beijing time 1 1 to 13).

Not long ago, it was also called sunset, sun center and so on. : The sun sets in the west. (Beijing time 13 to Beijing time 15).

Feeding at the time of application, also known as day shop, late food and so on. (Beijing time 15 to 17).

As time goes by, it is also called sunset, sunset and evening: it means when the sun goes down. (Beijing time 17 to Beijing time 19).

Dusk, also known as sunset, sunset glow, dusk, etc. At this time, the sun has set and the sky will be dark. The world is dark and everything is hazy, so it is called dusk. (Beijing time 19 to Beijing time 2 1).

At this time, it was already late at night, and people stopped their activities and had a rest. Calm means quiet. (Beijing time 2 1 hour to 23: 00).

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