| Month of the year | Labelled on astrolabe |
|---|---|
| 1. January : | IANVA9 |
| 2. February : | FEBR9 |
| 3. March : | MARCI9 |
| 4. April : | APRIL' |
| 5. May : | MAI9 |
| 6. June : | IVNI0 |
| 7. July : | IVLI9 |
| 8. August: | AVGTVS |
| 9. September : | SEPTEB' |
| 10. October : | OCTOB' |
| 11. November : | NOVEB' |
| 12. December : | DECEB' |
The calendar is of the Western type. The vernal equinox falls
on the 14th day of March. [N.B: Date is decimal as date of
vernal equinox on some astrolabes can be measured to within
0.25 of a day]
The calendar is labelled: