Festivals have long been times for games of chance, from Saturnalia dice throws...

https://www.runway-bookmarks.win/gambling-has-long-been-part-of-festival-fun-but-people-often-used-calendars-to

Festivals have long been times for games of chance, from Saturnalia dice throws to Diwali teen patti and Lunar New Year mahjong. These celebrations often set a clear calendar end, helping prevent gambling from spilling into everyday life