| Month of the year | Labelled on astrolabe |
|---|---|
| 1. January : | Ianuari9 |
| 2. February : | Febrari9 |
| 3. March : | Marci9 |
| 4. April : | Aril9 |
| 5. May : | Mai9 |
| 6. June : | Iuni9 |
| 7. July : | Iuli9 |
| 8. August: | August9 |
| 9. September : | Septēb9 |
| 10. October : | Octob9 |
| 11. November : | Novēb9 |
| 12. December : | Decēb9 |
The calendar is of the Western type. Every tenth day is
numbered, beginning with the fifth day. The last day of the
month is not numbered.The vernal equinox falls on the 11th
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: