1, Tomb-Sweeping Day in 2022 will be at 03: 20: 03 on April 5th, and it will be Tuesday on the fifth day of the third lunar month. Tomb-Sweeping Day, also known as outing festival, outing festival, March festival, ancestor worship festival, etc. It was celebrated at the turn of mid-spring and late spring.

2. The Gregorian calendar time of the spring equinox in 2022 is 23: 33 on March 20th, 2022, 15 seconds, while the lunar calendar time is February 18. The significance of the vernal equinox, first, refers to the equal division of day and night, each of which is 12 hours; Second, in ancient times, it was spring from beginning of spring to long summer, and the vernal equinox happened to be in the three months of spring, and spring was equally divided.