The Jolundrian Calendar
Days of the weeekThere are seven days in a week;
Months of the yearThere are twenty-eight days (or four weeks) in a month, meaning that each month has the same order of days. Thanks to this layout, physical calendars can be re-used every year. Annual holidays, meetings and arrangements will always happen on the same day each year. There are ten months (or forty weeks) in a year;
Moon PhasesThe phases of the moon are named after aspects of heraldry, which refer to specific locations on a coat of arms. Dexter the left from that of the viewer and Sinister the right for the viewer.