Unequal hours
| Type: | Unequal hours |
| Style: | Inward from sighting vane. |
| Geometry: | Linear |
| Unit of measurement: | 1/12 of daylight |
| (Numbering) starts at: | 2 |
| (Numbering) ends at: | 11 |
| Numbered: | Every 1 |
| Repeats: | 1 times |
| Divided every: | 1 (1/12 of daylight) |
Scale located on: Rule, Alidade, Regular or Pointer .
Location(s) detail:
| Rule, left arm: | Scales found on the left arm of a rule or alidade. (Rule, left arm) |