It was narrated that Abu 'Ubaidah said:"Abdullah said: 'The idolaters kept the Prophet (S.A.W) from (offering) four prayers on the day of Al-Khandaq, so he commanded Bilal to call the Adhan, then he said the Iqamah and prayed Zuhr, then he said the Iqamah and prayed 'Asr, then he said the Iqamah and prayed the Maghrib, then he said the Iqamah and prayed 'Isha