Tag Archives: 18 DEGREE

A detailed critique of using "Aqrab al-Ayyām" to estimate Fajr during persistent twilight

We are approaching persistent twilight soon in the northern hemisphere, which means the technical fajr time is going to be moving RAPIDLY until it reaches around 1AM!

The prayer and fasting timetables listed in the link above were obtained based on what is now known as the “18 degree formula” along with some necessary amendments to cater for the abnormal circumstances many European countries face due to their ...