Perhitungan Bulan Arab/ Calculations for the Arabic calendar

Article regarding history of the calculations for the Arabic calendar which began with migration of the Prophet Muhammad from Mecca to Medina. It starts from Thursday and is made up of 12 months or 154 days and is dependent on the movement of the moon.

Dimensions: 24 x 17 cm. 20 pages comprised approximately of 15 lines per page; black and red ink; no colophon.

Condition: article is faded with detached sleeve and cover, edges of paper are torn. Writing is still legible. European paper: Man in the moon (9.0).