Traditional Culture Encyclopedia - Almanac inquiry - When is the autumnal equinox in 2020? Is the autumnal equinox in 2020 suitable for ancestor worship?

When is the autumnal equinox in 2020? Is the autumnal equinox in 2020 suitable for ancestor worship?

When is the autumnal equinox in 2020?

Starting time of the autumnal equinox in 2020: Tuesday, September 22nd, 2020 2 1:30:32.

End time of the autumnal equinox in 2020: 20201Thursday, October 8th, 65438+3:55.

The autumnal equinox in 2020 begins on September 22nd of the new calendar and ends on 101October 8th!

After the autumnal equinox, the direct point of the sun continued to move from the equator to the southern hemisphere, and the days in the northern hemisphere began to shorten and the nights became longer, that is, the days in a day began to be shorter than the nights; The southern hemisphere is the opposite. Therefore, the autumnal equinox is also called the landing point.

At the North Pole and South Pole, on the day of the autumn equinox, the sun is on the horizon all day.

After that, as the direct point of the sun continued to move southward, a six-month polar night began near the North Pole, which gradually expanded and then narrowed. A six-month polar day began near the South Pole, which gradually expanded and then narrowed. Is the autumnal equinox in 2020 suitable for ancestor worship?

Lunar calendar: the sixth day of August 2020.

Gregorian calendar: Tuesday, September 22, 2020, Virgo.

Today is suitable:

Nacai married her husband and daughter-in-law and offered sacrifices to pray for her appointment.

Ask the heir to raise the beam of the vertical column to build soil and collect money.

Plant a safe bed in the market for burying, catching and fishing.

Create a certificate

Today's taboo:

Move into a house, build a house in Cary, and open a warehouse to house livestock.

Buying property and sailing and logging.

Because sacrifice is suitable for the Gregorian calendar, and the autumn equinox in 2020 is suitable for ancestor worship!

Calculation of solar term date by mean time of autumnal equinox;

Calculation formula: [y? D+C]-L

Interpretation of the formula: Y= the last two digits of years, D=0.2422, L= leap years, 2 1 century C=23.042, and 20th century =23.822.

For example: autumnal equinox date in 2088 =[88? 0.2422+23.042]-[88/4]=44-22=22, and September 22nd is the autumnal equinox.

Exception: 1942 plus 1 day.