When all of our digital devices manage our calendar for us, we kind of take for granted how complex of a tracking system the calendar is. Some months have 31 days while others have 28 days...then there’s leap year! All of these rules with the calendar came from a lot of conflict and compromise throughout the ages.  We discuss how the calendar has evolved through the ages and if it will continue to withstand the test of time. With Special Guest YouTuber Joe Scott and Mathematics Professor, Math-magician and TED speaker Arthur Benjamin.