The Gulf Region Uses Fajr and Isha angles of 18.2 degrees.

Egyptian General Authority of Survey Uses Fajr angle of 19.5 and an Isha angle of 17.5.

University of Islamic Sciences, Karachi Uses Fajr angle of 18 and an Isha angle of 18.

Kuwait Uses a Fajr angle of 18 and an Isha angle of 17.5.

Fajr will never be earlier than the middle of the night, and Isha will never be later than the middle of the night.

Moonsighting Committee Uses a Fajr angle of 18 and an Isha angle of 18.

Muslim World League Uses Fajr angle of 18 and an Isha angle of 17.

Referred to as the ISNA method This method is included for completeness, but is not recommended.

Qatar Modified version of Umm al-Qura that uses a Fajr angle of 18.

Fajr will never be earlier than the beginning of the last seventh of the night, and Isha will never be later than the end of the first seventh of the night.

Singapore Uses a Fajr angle of 20 and an Isha angle of 18.

Similar to SEVENTH_OF_THE_NIGHT, but instead of 1/7th, the fraction of the night used is fajrAngle / 60 and ishaAngle/60.

Umm al-Qura University, Makkah Uses a Fajr angle of 18.5 and an Isha angle of 90.

UOIF Uses a Fajr angle of 12 and an Isha angle of 12.