Unequal hours
| Type: | Unequal hours |
| Style: | Unequal hours, double |
| Geometry: | Angle |
| Unit of measurement: | 1/12 of daylight |
| (Numbering) starts at: | 1 |
| (Numbering) ends at: | 12 |
| Numbered: | every |
| Notes: | Imperial double-headead eagle occupies the center of this diagram |
Scale located on: Tympan, Womb or Back .