Time

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Time in RimWorld passes as a series of ticks. On normal game speed, there are 60 such ticks to a real second; there are always 2,500 ticks to one in-game hour.

The game starts in the year 5500. The in-game clock is in 24-hour format with the hours displayed in military time from 0h to 23h.

Time proceeds as one would expect except that the four months are named "quadrums." They are named as portmanteaus of terrestrial months, suggesting seasonal associations: "Decembary," "Aprimay," "Jugust," and "Septober." Each individual quadrum is always 15 days, after which you proceed into the next quadrum.

Time of day is modeled on the planet view; local time of day corresponds to how the sunlight hits the planet.

As of version 0.17.1546 (23 May 2017) season names could no longer be consistently applied to the entire globe, necessitating that they be named as month-like "quadrums."

In-Game Time		Ticks	Real Time
1.44 Min		60	1s
1 Hour	60 Min	2,500	~42s
1 Day	24 Hours	60,000	16m 40s
1 Quadrum	15 Days	900,000	4h 10m
1 Year	4 Quadrums	3,600,000	16h 40m

Technical details for modders
	Ticks	Game Time
1 tick	1 tick	1/60th second
1 rare tick	250 ticks	4.16 seconds
1 long tick	2000 ticks	33.33 seconds

Version History

• 0.0.254B - Abolished cycles - dates are measured in days only.
• 0.10.785 - Day length extended from 24,000 to 30,000 ticks. Days per month reduced from 12 to 10.