Far Futures
Warhammer 40,000
Imperial Dating · check · fraction · year . millennium (from ~1 CE)
The Imperium’s baroque dating system counts from the founding of the Imperium (~1 CE) into the 41st Millennium, with a check digit for accuracy and a year-fraction standing in for the date.
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In UTC at 03:35 on October 27, 2026, this calendar read 0 819 026.M3. The reading above is live, in your own time zone.
At a glance
- Type
- A count — year and millennium, with a fraction for the date
- Origin
- Games Workshop’s Warhammer 40,000, 1987
- Year
- Divided into a thousand fractions in place of months
- Counts from
- The Imperial calendar, counted from about 1 CE
- Where it’s used
- The Imperium of Man, in the game and its fiction
- How it’s worked out here
- The Imperial format — check number, year-fraction, year, millennium — from our own date; the check number is 0, for a date kept on Terra
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