Of Interest

World Calendars http://www.calendarists.com/ http://www.cs.tau.ac.il/~nachum/calendar-book/index.shtml shapeimage_6_link_0
Rewriters United http://rewriting.loria.fr/ http://rewriting.loria.fr/ shapeimage_7_link_0
Calendar Converter http://www.cs.tau.ac.il/~nachum/calendar-book/Calendrica.html http://www.cs.tau.ac.il/~nachum/calendar-book/Calendrica.html shapeimage_8_link_0