Festivals have long been a time to take chances through gambling, but calendars...

https://www.bookmark-tango.win/festivals-around-the-world-have-long-included-games-of-chance-like-mahjong

Festivals have long been a time to take chances through gambling, but calendars helped set clear boundaries to keep risk in check. From Saturnalia’s dice games to Diwali’s teen patti and Lunar New Year’s mahjong, these celebrations had built-in end dates