The Continent of Colldria uses a calendar known as The Calendar of Harptos, created in the far off continent of Faerun, the calendar made its way and was integrated into everyday life in Colldria.
The Year: 1 year = 365 days
The Month: 12 months per year, Each month = 30 days
The Tenday (Week Equivalent): Each month is divided into 3 Tendays, 1 Tenday = 10 days. There are 36 tendays per year.
Each Tenday consists of ten numbered days, not named weekdays. example: 1st day of the Tenday, 2nd day of the Tenday, etc.
People commonly refer to dates in the following structure: “The 8th day, First Tenday, Eleint”
Work cycles, guard rotations, religious observances, and travel planning are all structured around Tendays.
Many contracts, wages, and rents are paid per tenday.
Temples often hold major services on the 10th day of a tenday.
Below is the canonical order of months in the Calendar of Harptos.
HAMMER
Season: Deep Winter
Common Themes: Cold, stillness, reflection
ALTURIAK
Season: Late Winter
Common Themes: Endurance, preparation
CHES
Season: Early Spring
Common Themes: Change, thaw, uncertainty
TARSHAKH
Season: Mid Spring
Common Themes: Growth, conflict, energy
MIRTUL
Season: Late Spring
Common Themes: Blossoms, travel, diplomacy
KYTHORN
Season: Early Summer
Common Themes: Freedom, storms, ambition
FLAMERULE
Season: High Summer
Common Themes: Heat, war, intensity
ELEASIAS
Season: Late Summer
Common Themes: Harvest preparation, order
ELEINT
Season: Early Autumn
Common Themes: Change, travel, endings
MARPENOTH
Season: Mid Autumn
Common Themes: Accounting, reflection
UKTAR
Season: Late Autumn
Common Themes: Decline, hunting, endings
NIGHTAL
Season: Early Winter
Common Themes: Darkness, rest, closure
📅 Start Date: 1496 DR — The Year of the Dark Circle, Early spring, Ches, First Tenday