Calculation Methods

From Pray Times

There are different conventions for calculating prayer times. The following table lists several well-known conventions currently in use in various regions:

Method Abbr. Region Used
Muslim World League MWL Europe, Far East, parts of US
Islamic Society of North America ISNA North America (US and Canada)
Egyptian General Authority of Survey Egypt Africa, Syria, Lebanon, Malaysia
Umm al-Qura University, Makkah Makkah Arabian Peninsula
University of Islamic Sciences, Karachi Karachi   Pakistan, Afganistan, Bangladesh, India
Institute of Geophysics, University of Tehran Tehran Iran, Some Shia communities
Shia Ithna Ashari, Leva Research Institute, Qum   Jafari Some Shia communities worldwide

Calculating Parameters

The table below shows the default calculating parameters for each calculation method:

Method   Fajr Angle Isha Maghrib Midnight
MWL 18° 17° = Senset mid Sunset to Sunrise
ISNA 15° 15° = Senset mid Sunset to Sunrise
Egypt 19.5° 17.5° = Senset mid Sunset to Sunrise
Makkah 18.5° 90 min after Maghrib
120 min during Ramadan
= Senset mid Sunset to Sunrise
Karachi 18° 18° = Senset mid Sunset to Sunrise
Tehran 17.7° 14° 4.5° mid Sunset to Fajr
Jafari 16° 14° mid Sunset to Fajr
  • Fajr angle was 19 degrees in Umm al-Qura method before Muharram 1430 Hijri (December 2008).
  • Isha angle is not explicitly specified in Tehran method.
Personal tools