Prayer time for Rottnest Island in wa-6161. 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 Rottnest Island, wa-6161 Geo location Latitude = -32.01000 & Longitude = 115.50000.