Astrolabe Catalogue

 

The calendar is of the Western type. Every tenth day and the end of the month.The vernal equinox falls on the 10th 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:
Month of the year Labelled on astrolabe
1. January : JANVARVIS
2. February : FEBRVARIVS
3. March : MARCIVS
4. April : APRILIS
5. May : MAIVS
6. June : JVNIVS
7. July : JVLIVS
8. August: AVGVSTVS
9. September : SEPTEMbER
10. October : OCTObER
11. November : NOVEMbER
12. December : DECEMbER
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