Abd al-Rahman al-Jadiri

Abu Zayd Abd al-Rahman Mohammed al-Jadiri
عبد الرحمن الجدري
Born1375
Meknes, Morocco
Died1416
Fez
Academic work
EraIslamic Golden Age
Main interestsAstronomer, muwaqqit
Notable worksRaudat al-azhar fl 'ilm waqt al-lail wal-nahar, Tanbllt al-afliím 'ala mii ya

Abu Zayd Abd al-Rahman Mohammed al-Jadiri (Arabic: عبد الرحمن الجدري) (born in Meknes, in 1375 and died in Fez, probably in 1416) was the muwaqqit (time-keeper) at the Qarawiyyin Mosque.[1]

He wrote a treatise on the determination of time of day and night, an urzija (verse composition) in 26 chapters and 335 verses, entitled Raudat al-azhar fl 'ilm waqt al-lail wal-nahar (1391/2), and a calendar adapted to the latitude of Fez, Tanbllt al-afliím 'ala mii ya/:tduthu ji ayyiim al-'iim.[2][3]

  1. ^ Sarton 1931, p. 1118.
  2. ^ Calvo 2004.
  3. ^ Samso, J. "An Outline of the History of Maghribi Zijes from the End of the Thirteenth Century", in: Journal for the History of Astronomy, p.94