Prayer time for Mount Gravatt in qld-4122. The Sallat timings are according to the Hanafi Madhab. There are differing opinions on what angle to be used for calculating Fajr and Isha. Our calculation according to Muslim World League convention. Prayer time based on Mount Gravatt, qld-4122 Geo location Latitude = -27.54000 & Longitude = 153.10000.