The numbers in each month of Wuxu Town's fairing day end in 1, 4, or 7, except for the 31st, which does not.

Such as January 4th, 14th, 21st, 27th, etc.

The numbers in Jiuwei Town seem to be 3, 6, and 9. If not, they are 2, 5, and 8. I don’t know the details, and I rarely go there.