Status: Working canon
Time units on The Overland:
| Unit | Length |
|---|---|
| Pulse | ~18 Earth hours (one planetary rotation) |
| Cycle | 9 Pulses |
| Reckon | 9 Cycles |
| Judgment | 12 Reckons |
| Duel | 4 Judgments |
| Turn (year) | 2 Duels + 8 intercalary days (four between Duels) |
A Turn matches the ~16 Earth-year orbital period.
There is a dark Duel and a light Duel: one hemisphere faces the star for half a Turn and faces away for the other half (consequence of the 110° axial tilt; see Cosmology).