According to the custom in China, when should we pay homage to our deceased relatives? What is a bad day for the memorial service?

Generally, there are the following days to pay homage to the deceased elderly: before the Spring Festival, Tomb-Sweeping Day, July 15 Ghost Festival, 10, the first day of the first month, and the memorial day.

From the date of death, there must be a memorial service every seven days, which is called "doing seven" or "passing seven". Where 17 is called "top seven", 37 is also called "scattered seven", and 57 and 77 are also called "full seven", "broken seven" or "exhausted seven", which is more important.

Extended data:

After a person's death, his children will mourn for three years, commonly known as "taking three", and the first anniversary of burning paper is called "anniversary" or "anniversary burning", which was called "Xiaoxiang" in ancient times. The second anniversary is called "Daxiang", and we will also go to the cemetery to offer sacrifices.

After the third anniversary, the relatives and friends of the deceased arrived, each with offerings and paper. After the third anniversary, the children of the deceased can take off their mourning clothes and put on ordinary clothes. Therefore, the third anniversary is also called "undressing" or "removing filial piety", which was called "Tantan" clothes in ancient times. According to tradition, the funeral etiquette has officially ended.