Many festivals have long included gambling as part of the celebration, but...

https://bravo-wiki.win/index.php/Do_Session_Reminders_Actually_Stop_You_from_Losing_Track_of_Time%3F

Many festivals have long included gambling as part of the celebration, but calendars helped mark a clear end to the risk. Take Saturnalia in ancient Rome or Diwali’s popular teen patti game—set dates kept the fun from spilling into everyday life