| Month of the year | Labelled on astrolabe |
|---|---|
| 1. January : | JANV |
| 2. February : | FEB~ |
| 3. March : | MAR |
| 4. April : | AP' |
| 5. May : | MAI |
| 6. June : | IVNI |
| 7. July : | IVLI |
| 8. August: | AVGV |
| 9. September : | SEP |
| 10. October : | OCTO |
| 11. November : | NOVE |
| 12. December : | DECE |
The calendar is of the Western type. Every tenth day and th
end of the month..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: