Why can't I go out on the thirteenth day of the first month?

There is a saying that you don't go out on the thirteenth day of the first month. Because the bones were killed, everyone thought that the thirteenth day of the first month would begin. According to the old custom, Pepsi Taboo Day is called "Yang Gong Taboo Day" and "Thirteen Taboos in Yang Gong" from the 13th day of the first lunar month, and then two days in advance every month.

Because from the perspective of the old Gregorian calendar, the Gregorian calendar corresponding to the fourteenth day of the first month is February 25th, and it is forbidden to travel, move, start a business, break ground, settle down, get married and get a license. On this day, all travel-related behaviors seem impossible.

The first month is the month of "building rights". In the era of observing the image, bucket handle returned to the Yin, and the month was the first month. The establishment of the calendar was originally the concept of establishing the calendar in December. It has also been used to refer to the first month of other calendars. Now usually refers to the first month of the lunar calendar. In the summer calendar, January in spring is the first month, which is equivalent to the lunar month in the dry calendar; The first month of Shang Dynasty was winter and December.