Can I sweep the grave on April 5?
What day is Tomb-Sweeping Day? This is determined according to the day when the twenty-four solar terms entered the solar terms, that is to say, the day when they entered Tomb-Sweeping Day was Tomb-Sweeping Day. Strictly speaking, Tomb-Sweeping Day and Tomb-Sweeping Day are different in spirit. Tomb-Sweeping Day is a place where people remember their ancestors. It used to be called Cold Food Festival, which was the day before Tomb-Sweeping Day's spirit. Later, the custom of sweeping graves to worship ancestors at the Cold Food Festival was integrated into the spirit of Tomb-Sweeping Day. So, now we just need to find the time when Tomb-Sweeping Day is angry, that is, the time in Tomb-Sweeping Day.
2 1 03: 00 on April 5th, is the time to enter Tomb-Sweeping Day. Therefore, this year's Tomb-Sweeping Day is on April 5th. Therefore, the official holiday in Tomb-Sweeping Day is on April 5th. Therefore, Tomb-Sweeping Day is the day when most people choose to pay homage to their ancestors. Of course, the starting and ending date of Tomb-Sweeping Day's grave-sweeping and ancestor worship is not only the day of Tomb-Sweeping Day, but also some folk customs. For example, the new grave must be swept in advance, which means that when we arrive in Tomb-Sweeping Day, we must do it in advance, and how long does it take for relatives at home to coordinate themselves.
"Four days after the first three days" means that you can sweep graves three days before Qingming. This year in Tomb-Sweeping Day, it is April 5th, the first three days are April 2nd, and the last four days are April 9th. In other words, from April 2 to April 9, it is the time when people focus on sweeping graves to worship their ancestors. The same "around seven" is also calculated according to this time.