The Mithrosi Calendar is split into twelve months of thirty days each. There are seven days in a week.
There are 5 days that do not belong to any month.
- Provenance is the first day/last day of each new year.
- Springrise is the vernal equinox and marks the first day of spring
- Summerspeak is the summer solstice and marks the first day of summer
- Autumnset is the fall equinox and marks the start of the harvest season
- Winterfall is the winter solstice and marks the beginning of winter.