Astrolabe Catalogue

 

The calendar is of the Western type. Every fifth day and the last day 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]
The calendar is labelled:
Month of the year Labelled on astrolabe
1. January : Janvier
2. February : Fevrier
3. March : Mars
4. April : Apvril
5. May : May
6. June : Juin
7. July : Juillet
8. August: Aoust
9. September : Setptembre
10. October : Octobere
11. November : Novembre
12. December : Decembre
MHS Home | Contact Us | ©2006 Museum of the History of Science