One of people's passionate desires is to take control of time. Being the lord of time sounds alluring, doesn't it? Don't bother that it is unrealizable as Richard Conn Henry does Read here.
This distinguished man made offers to change the Gregorian calendar: there would be 30 days in eight month. Every third months would have 31 days. To make up for the rest of days, there's an assumption to add an extra week.
The question is what for? :)