im interested in the history of adhan, and if there is 1 correct adhan. it seems both sunnis and shias have added things in their adhans: sunni: allahu akbar 4 times ashhaduan la illaha illalla 2 times ashhaduana muhammadan rasool Allah 2 times haya alal salat 2 times haya alal falah 2 times alsalat tokhairum min al nawn 2 times ( only in adhan prayer) allahu akbar 2 times la illaha illalla 1 time shia: allahu akbar 4 times ashhaduan la illaha illalla 2 times ashhaduana muhammadan rasool Allah