Syriac script and its derivatives
The author opened historical aspects of computation of time, origin of cycles of economic activity and financial planning
Two difficult passages are analysed in the 26th homily of the book Mäṣḥafä Mǝśṭir by Abba Giyorgis of Sägla, which are dealing with transition from the Old Testament Jewish calendar to the Christian calendar with its veneration of Sunday. The Jewish calendar Abba Giyorgis kept in mind was similar to those of 1 Enoch or Jubilees. According to his understanding, the Christian Sunday was already implied in the Mosaic Law as the year of release, as he has demonstrated with calendrical caluculations.