Dhikr during the Adhan
Dear scholars, As-Salamu `alaykum. Is it permissible to say the following dhikr formulas permissible while the Adhan (call to Prayer) is being heard or are we always obligated to listen to the Adhan? The dhikr formulas are: “Subhan Allah, al-hamdu lillah, la ilaha illa Allah, Allahu Akbar, astaghfiru Allah, la hawla wa la quwwata illa billah, subhan allahi wa bihamdihi, subhan Allah Al-`azhim” and “La ilaha illa Allah, wahdahu, la sharika lahu, lahu al-mulk wa lahu al-hamd wa huwa `ala kulli shay’in qadir.” Jazakum Allah khayran.