My ideal time system would have 13 months, with 12 30 days months plus 1 end of the year month with either 5 or 6 days (plus an occasional leap second). An no damn daylight savings time. Of course, it would make a lot of sense to put the beginning of the year at the beginning of the first month of spring, not the _second_ month of winter. But again, nothing about modern calendar makes much sense. You begin to realize how insane it is only when you are forced to write a time library from scratch in C++ as part of a C++ course. I did that in high school, and it was really eye opening.