15 can't wash clothes in the first month?

You can do laundry in the first month.

It is best not to wash clothes on the first day of the first month. The implication is to gather wealth, not to get rich. Some folks say that New Year's Day is the birthday of the water god, so in order to show respect for the water god, it is rumored that it is best not to wash clothes these two days. In addition to this reason, it is also because of the problems related to Geely. The best time to wash clothes is in the fifth day, mainly because "five days" is commonly called "breaking five days", and people usually do housework on this day.

The first month is the month of "building rights". In the era of observing images and observing times, bucket handle belonged to 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.