Umm Al-Qura
A prayer time calculation standard used in Mecca, established by Umm Al-Qura University in Saudi Arabia. It uses an 18.5° solar depression angle for Fajr together with a fixed 90-minute delay for Isha, and is one of the most authoritative calculation standards in the Islamic world.
Timeline (last 90 days)
Muslim Prayer Reminder has 12 authoritative astronomical calculation standards built in, including Umm Al-Qura, Muslim World League, Egyptian General Authority of Survey, ISNA and others.
The Muslim World League uses a solar depression angle standard of Fajr 18° and Isha 17°; ISNA uses Fajr 15° and Isha 15°; Umm Al-Qura uses Fajr 18.5° combined with a fixed 90-minute delay for the night prayer.
All Facts (2)
Muslim Prayer Reminder has 12 authoritative astronomical calculation standards built in, including Umm Al-Qura, Muslim World League, Egyptian General Authority of Survey, ISNA and others.
50%UnverifiedThe Muslim World League uses a solar depression angle standard of Fajr 18° and Isha 17°; ISNA uses Fajr 15° and Isha 15°; Umm Al-Qura uses Fajr 18.5° combined with a fixed 90-minute delay for the night prayer.
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