Does fasting start at the time of Imsaak or Fajr? And is the Fajr adhan at Imsaak or Fajr (True Dawn) time? September 2, 2022 by Hasan mahdi Time begins at Fajr however due to doubts about Fajr al Sadiq it is an obligatory precaution according to nearly all scholars to stop a few minutes before Fajr which we call Imsak Sayed Zafar Abbas englishFasting