Decans
| Type: | Decans |
| Style: | Astrological decans |
| Geometry: | Inner Circular, concentric |
| Unit of measurement: | Zodiacal divisions, equal or unequal |
| (Numbering) starts at: | 0° Aries |
| (Numbering) ends at: | 30° Pisces |
| Repeats: | 1 times |
| Divided every: | 10 (Zodiacal divisions, equal or unequal) |
Scale located on: Tympan, Womb or Back .
Location(s) detail:
| VIII: | half circle inside the VII circle (on mashriqi astrolabes) - covering LL and LR (VIII) |