• Click Here to Read Papers about Crescent Visibility and Prayer Times
  • Click Here to see the Crescent World Records

International Astronomical Center

Papers about Crescents, Prayer Times,
Qiblah, Hijric Calendar, ...etc.



Arabic Papers








































أبحاث في غير موضوعات الصلاة والهلال والتقويم والقبلة





English Papers














































Topics other than prayer times and crescents






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