3 ms·
Hanke-Henry calendar is the most logical. http://www.wired.com/wiredscience/2011/12/rational-calendar/ http://www.wired.com/wiredscience/2011/12/rational-calend
by halefx 14y ago
Hanke-Henry calendar is the most logical. http://www.wired.com/wiredscience/2011/12/rational-calendar/ http://www.wired.com/wiredscience/2011/12/rational-calendar/