Traditionally, pranks to be performed before noon. Those done afterwards are supposed to bring bad to the perpetrator. This stipulation may have been contrived by annoyed parents and school wanting a respite from a full day of pranks. Anyone who fails to respond with a sense of to the tricks played on them is also said to be liable to suffer bad luck. It is said that one fooled [?] a pretty girl will later marry, or at least become friends, with her.

It is believed that marriage on April Fools' Day is inadvisable for a man, for he will be permanently ruled by his [?]. Children born on this [?] will experience good luck in most matters, except when it comes to gambling.