1,No. Tomb-Sweeping Day gas is calculated according to the ecliptic, and the solar calendar is also calculated according to the ecliptic, so the dates in the solar calendar are basically determined, usually April 4-6, and most of them are on the 5th.

Qingming is one of the 24 solar terms in China. According to the solar calendar, every year between April 4th and 6th. The ancients attached great importance to this solar term.

As a solar term, Qingming is just in most parts of China. The winter with withered trees has passed, the weather is fine, the flowers are long, and the willow is green, so it is called Qingming.