| Month of the year | Labelled on astrolabe |
|---|---|
| 1. January : | I |
| 2. February : | F |
| 3. March : | M |
| 4. April : | A |
| 5. May : | M |
| 6. June : | I |
| 7. July : | I |
| 8. August: | A |
| 9. September : | S |
| 10. October : | O |
| 11. November : | N |
| 12. December : | D |
The calendar is of the Western type. Only the last day of the
month is 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: