====== Calculation Methods ======

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, Afghanistan, Bangladesh, India|
|Institute of Geophysics, University of Tehran    |Tehran   |Iran, Some Shia communities             |
|Leva Institute, Qom                              |Jafari   |Some Shia communities worldwide         |

==== Calculation Parameters ====

The table below shows the default 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°                                          |4°      |mid Sunset to Fajr   |

**Notes**:

  * 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.