Sunan At-Tirmidhi

Kathir bin Abdullah bin Amr bin Awf Al-Muzani narrated from his father, from his grandfather, that :the Prophet said: ""On Friday there is an hour in which the worshipper does not ask Allah for anything except that Allah grants it to him."" They said: ""O Messenger of Allah! Which hour is it?"" He said: ""When the prayer is begun until it is finished