What time is Grain Full in 2021? How to calculate the time of Grain Full? Is the time of Xiaoman fixed?

What time is Grain Full in 2021? How to calculate the time of Grain Full? Is the time of Xiaoman fixed?
Grain Full usually falls in the fourth month of the lunar calendar, which is the plum rain season. Grain Full is approaching. Do you want to know more about Grain Full in 2021? The arrival of each new month brings us many surprises and good luck. If you want to know what the days will be like in April of the lunar calendar in 2021, just visit Mr. Shui Mo's website.

What time is Grain Full in 2021?

The lunar calendar for 2021 is April 10, 2021; the Gregorian calendar is May 21, 2021, Friday
Grain Full Hour: 21:48:02 (evening)

How to calculate the time of Grain Full solar term?

Calculation formula: [Y*D+C]-L
Formula interpretation: Y=last two digits of the year, D=0.2422, L=leap year number, 21st century C=21.04, 20th century=21.86.
For example: The date of Grain Full in 2088 = [88×0.2422+21.04]-[88/4]=42-22=20, which means Grain Full is on May 20th.
Exception: For 2008, add 1 day to the result.

Is the time of Xiaoman fixed?

The time of Grain Full is not fixed, it is calculated according to the solar cycle, so there will be an error of several days every year.
The specific time of Xiaoman is between May 20 and May 22 every year, with an error of only 1 to 2 days, but the difference in the lunar calendar days is quite large, so the solar terms are not determined by the lunar calendar but by the new calendar.
The current 24 solar terms are divided using the "fixed qi method". Considering the sun starting from the vernal equinox (0 degrees of ecliptic longitude, when the sun shines vertically on the equator), every 15 degrees forward is a solar term; a circle of movement and return to the vernal equinox is a tropical year, which totals 360 degrees, so it is divided into 24 solar terms.

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