| Month of the year | Labelled on astrolabe |
|---|---|
| 1. January : | IANUARI9 |
| 2. February : | FEBRVA |
| 3. March : | MARCI9 |
| 4. April : | APRIL’ |
| 5. May : | MAIVS |
| 6. June : | IVNIVS |
| 7. July : | IVLIVS |
| 8. August: | AVGVST9 |
| 9. September : | SEPTEMB’ |
| 10. October : | OCTOB’ |
| 11. November : | NOVEMB’ |
| 12. December : | DECEM’ |
The calendar is of the Western type. The tenth and last days
of each month.The vernal equinox falls on the 12th 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: