The dwarven calendar is used to display dates, and is visible in the upper right corner of the Status Screen ( ). One year has 336 days and consists of twelve month in four seasons, with three months per season. Every month has 28 days. The months are named after kinds of stones, ore, gems, and wood. New Year's Day and the first day of spring both fall on the 1st of Granite. New Year's Eve and the last day of winter both fall on the 28th of Obsidian.
The game starts in the year 1050 of the dwarven calendar.
 Months and seasons
|The Age of Myth||0 – 499|
|The Age of Legends||500 – 999|
|The Golden Age||1000 – ∞|
With the changing seasons come different weather conditions, depending on your climate. A typical temperate mountainside fort will have snow in spring and winter, with warm summers and colourful autumns. The seasons correspond to growing seasons from the farm plot menu, which dictate what can be grown when during the year (see the List of crops).
Each season bar winter brings the possibility of traders from one race or another.
Dwarves come in Autumn, and their departure is a fortelling of the cold winter to come. Ensuring the dwarves depart with a good profit will bring the best chance of
fresh cannon fodder new migrants in the year ahead.
|World generation - Regions - Biomes - Climate - Surroundings - Map legend|
|Civilizations - Sites ( Town - Fortress - Ruin ) - Calendar|
|Cave - Chasm - Desert - Forest - Glacier - Grassland - Lake - Mountain|
|Ocean - River - Savanna - Shrubland - Tundra - Wetland|