Tomb-Sweeping Day's marriage before and after is not good, that is to say, Tomb-Sweeping Day's marriage the day after tomorrow is not good, because from the folk traditional thought, Tomb-Sweeping Day's marriage before and after is unlucky, but from the modern thought, it has no scientific basis, so it depends on local customs.
And Tomb-Sweeping Day can't get married that day, this is absolutely impossible, because Tomb-Sweeping Day is the day of the grave, to sacrifice to the dead, the atmosphere is heavy, this is a white matter, marriage is a happy event, can't be held on such a heavy day. On that day in Tomb-Sweeping Day, everyone will go to worship their ancestors. If there is a wedding at this time, not many people will come. For the guests, people who hold weddings in Tomb-Sweeping Day are not very sensible. Therefore, if you get married, you must avoid Tomb-Sweeping Day. You can choose to hold your wedding in Tomb-Sweeping Day for a week or two, or you can choose other days.