What is April 5th? Is it Arbor Day?
April 5th is not Arbor Day, Arbor Day is March 12th.April 5th refers to Tomb-sweeping Day, but not every Tomb-sweeping Day falls on this day.Sometimes Tomb-sweeping Day falls on April 4th, which is related to the angle of the ecliptic longitude of the sun.
April 5th is Qingming Festival, also known as Outing Festival, Xingqing Festival, March Festival, Ancestor Worship Festival, etc.However, due to the time difference in the movement of the earth every year, the Sun"s ecliptic The angle change also has jet lag, so that sometimes Qingming Festival falls on April 4th, for example, the Qingming Festival in 2020 is April 4th.The Arbor Day refers to March 12 of the Gregorian calendar, not April 5.It is just that Qingming Festival has the traditional custom of planting trees, which makes people mistakenly think that Qingming Festival is Arbor Day.
The Qingming Festival refers to the number of months and days in the lunar calendar
The ancients judged the time of the Qingming Festival based on the rotation of the handle of the Big Dipper, but this method was gradually eliminated by modern astronomy.People judge the time of Qingming Festival when the sun"s ecliptic longitude reaches 15°, which is around April 5th of the Gregorian calendar every year, and sometimes also on April 4th, so the lunar calendar date of Qingming Festival every year is uncertain.The Qingming Festival in 2020 will be on April 4th, which is the twelfth day of the third month of the lunar calendar.
Why are trees planted on April 5th
There is a traditional custom of planting trees on April 5th Qingming Festival, so people mistakenly think that Qingming Festival is the Arbor Day, but this statement is incorrect.Since ancient times, Qingming Festival represents the solar term for the growth of all things.To celebrate the arrival of this day, people have to plant trees.Later, there were several legends about planting trees on Qingming Festival, such as in memory of Shennong, in memory of Jie Zitui, and Emperor Taizong of Tang Dynasty in order to bless the epidemic and so on.So far, the custom of planting trees on Qingming Festival has been handed down to this day.
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