When did the light snow come in the twenty-four solar terms yesterday?

Light snow is 2 1 of the 24 solar terms. 165438+1On October 22nd or 23rd, when the sun reaches 240, it is called the light snow solar term. At this time, the sun is at-2016' at the declination. On this day, Beijing's daylight saving time is only 9 hours and 49 minutes, and the height of the sun at noon is only 29 50'.

computing formula

The "Xiaoxue" solar term is generally on165438+1October 22nd or 23rd every year, and there is a formula (limited to Dongba time zone) (y× d+c)-L.

Interpretation of the formula: Y= two digits after the number of years, D=0.2422, L= leap year, 2 1 century C=22.36, and 20th century =23.08.

For example, the date of light snow in 2088 = (88× 0.2422+22.36)-(88÷ 4) = 43-22 = 2 1, 165438+ 10/0/.

Exception: 1978 plus 1 day.

According to the astronomical almanac of China published by the National Astronomical Observatory,1October 22nd165438+1:48: 06 will usher in a light snow solar term of 20 14. Experts remind that this festival is cold outside and hot inside, so the public should be careful to get angry.