I heard the Messenger of Allah ﷺ say, "On Friday there is an hour during the day in which no servant asks Allah for anything without being granted his request."Someone asked, "Which hour is it?"He replied, "From the time the prayer begins until it concludes."
حدثنا أبو بكر بن أبي شيبة حدثنا خالد بن مخلد حدثنا
سمعت رسول الله ﷺ يقول في يوم الجمعة ساعة من النهار لا يسأل الله فيها العبد شيئا إلا أعطي سؤله قيل أي ساعة قال حين تقام الصلاة إلى الانصراف منها
[Hasan] Narrated by Tirmidhi, in "The Book of Jumuah," chapter on what has been said about the hour that is hoped for on Friday, no. 490, from the hadith of Kathir with this wording. He said, hasan gharib, and it has corroborating narrations in Muslim, no. 853, and elsewhere.