Unequal hours
| Type: | Unequal hours |
| Style: | Unequal hours, double |
| Geometry: | Arc |
| Unit of measurement: | Days of year |
| (Numbering) starts at: | 1 |
| (Numbering) ends at: | 6 |
| Numbered: | Every 1 |
| Repeats: | 2 times |
| Divided every: | 1 (Days of year) |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| Upper half: | The upper two quadrants of the back of the instrument (Upper half) |