| Month of the year | Labelled on astrolabe |
|---|---|
| 1. January : | Januarius |
| 2. February : | Februarius |
| 3. March : | martius |
| 4. April : | Aprilis |
| 5. May : | Maius |
| 6. June : | Junius |
| 7. July : | Iulius |
| 8. August: | Augustus |
| 9. September : | September |
| 10. October : | October |
| 11. November : | November |
| 12. December : | December |
The calendar is of the Western type. Numbered every five days
and the end of the month. Months marked with the labours of
the month..The vernal equinox falls on the 21th 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]There is a
small scale showing the age of the moon through the year.
The calendar is labelled: