Obviously, Glorantha-wide, there are different Calendars in use, but this is the main one used in the area of Dragon Pass.
Years are counted from the Beginning of Time (currently 1629)
The year is divided into 5 seasons, each of 8 weeks length, followed by 2 weeks of ‘Sacred Time’
The Seasons are:
Sea: Roughly speaking, spring. A time to sow seeds, or make journeys.
Fire: Approximately, Summer. A time for War.
Earth: Analogous to Late Summer/Autumn. A time to bring in the Harvest.
Dark Season: Roughly Winter. A time for settling down and staying out of trouble.
Storm Season: Late Winter/Early Spring. The brave raid, but weather can be troublesome.
Sacred Time: The period of 2 weeks where the year draws to an end, and people contemplate signs for the coming year.
The Weeks within each season are:
Disorder Week
Harmony Week
Death Week
Fertility Week
Stasis Week
Movement Week
Illusion Week
Truth Week
The Weeks of the Sacred Time are:
Luck Week
Fate Week
The Days of the Week are:
Freezeday
Waterday
Clayday
Windsday
Fireday
Wildday
Godday
Moon Phases:
Crescent-go: In Dragon Pass this phase occurs on Freezeday.
Dying: In Dragon Pass this phase occurs on Waterday.
Black Moon: In Dragon Pass this phase occurs on Clayday.
Crescent-come: In Dragon Pass this phase occurs on Windsday.
Empty Half: In Dragon Pass this phase occurs on Fireday.
Full: In Dragon Pass this phase occurs on Wildday.
Full Half: In Dragon Pass this phase occurs on Godday
Inside the Glowline it is always Full Half