Sayyiduna Awf bin Malik (may Allah be pleased with him) says: I hope that the hour (of acceptance) on Friday is in one of three times: when the muezzin calls the adhan, when the imam ascends the pulpit, and at the time of the iqamah.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15165