Find the specific date of 24 solar terms 20 10.

Rain: February 19

Stunned: March 5

Vernal equinox: March 2 1

Qingming: April 5

Grain Rain: April 20th.

Changxia: May 5th.

Xiaoman: May 2 1

Mangzhong: June 6

Summer solstice: June 2 1

Slight heat: July 7

High temperature in summer: July 23rd.

Beginning of autumn: August 8th.

Summer heat: August 23.

Millennium: September 8.

Autumnal Equinox: September 23rd

Cold dew: 65438+1October 8.

First frost: 65438+1October 23rd.

Beginning of winter:165438+1October 7th.

Xiaoxue:165438+1October 22nd

Heavy snow: 65438+February 7.

Winter solstice: 65438+February 22nd.

Slight cold: 201165438+1October 5.

Great cold: 201165438+1October 20th.

Solar term date speed algorithm: general birthday formula -[y× d+c]-l

Y= year, D=0.2422, L= leap year, and C depends on solar terms and year.

The C value of beginning of spring in this century is 4.475. For example, the beginning of spring date of 20 17 is as follows:

[20 17×0.2422+4.475]-[20 17/4- 15]=492-489=3

So the beginning of spring date of 20 17 is February 3rd.