Is it April 4th or 5th in Tomb-Sweeping Day?

Is it April 4th or 5th in Tomb-Sweeping Day?

The date of Tomb-Sweeping Day is not fixed, but according to incomplete statistics, Tomb-Sweeping Day has the most time on April 5th. So, what do you think of Tomb-Sweeping Day? Why is Tomb-Sweeping Day a solar calendar instead of a lunar calendar?

What day is Tomb-Sweeping Day? Is it April 4th or 5th in Tomb-Sweeping Day?

Tomb-Sweeping Day is usually between April 4th and April 6th, but the most common dates are April 4th and April 5th, with April 5th being the most common in Tomb-Sweeping Day.

The original "24 solar terms" were determined according to the direction of Beidou bucket handle. Bucket handle rotates clockwise from the "Yin position". When bucket handle points to "B", it is Tomb-Sweeping Day's anger.

"B position" means that the longitude of the sun reaches 15 degrees, which happens to be around April 5 of the lunar calendar every year. For the convenience of memory, people directly record the time in Tomb-Sweeping Day as April 4th-April 6th.

Why is the solar calendar in Tomb-Sweeping Day not the lunar calendar?

Mr. Xu Shiqiu, curator, professor and doctor of Shaw Museum of China Geo University, gave the answer. Mr Xu said that unlike most traditional festivals in China, Tomb-Sweeping Day is not only a festival, but also one of the 24 solar terms (namely Tomb-Sweeping Day), and its date itself is calculated according to the solar calendar.

Tomb-Sweeping Day Qi is a moment in the astronomical calendar, and its time depends on the orbit of the sun. When the sun reaches 15, the time point is Qingming on April 5 or 6 of the solar calendar every year. Tomb-Sweeping Day Qi is a sign of phenological changes and seasonal order in China, which belongs to the solar calendar.