Professor of prayer timing

As salami Alikum
Your calculation for fajr for North America (ISNA) is wrong your calculation use 15 degrees and it should be 17.5 per ISNA dr Muzamil Siddiqi previous president
Many people might be using your program for fasting and tbT means they are eating after fajr by20 min
Please change ASAP
Kazakh Allahu kHairanassalamu Alikum

Professor of reSearch about Azan Time