A full year spans 540 days, divided into 12 months of 45 days each. The story begins in the year 520 CB.
The Months (in order):
Ashenveil · Brightmere · Duskhollow · Embersong · Frostwhisper · Gloomtide · Harrowmoon · Ironbloom · Mistfall · Riftmonth · Solengrave · Thornwake
The Week
Each week runs 7 days: Ironday, Blazeday, Crimsday, Ashday, Steelwane, Veilsday, and Eclipday.
The Moons
Two moons cross the sky — Ireth and Farynn. Ireth completes its cycle every 45 days, rising and falling once per month. Farynn moves slightly faster, cycling every 30 days — and every few months the two moons draw close to syncing, a sight that carries weight in this world.