Seek out the hour that is hoped for on Friday after Asr until the sun has set."

                                               Bismillahirrahmanirrahim

✦ Narrated Abu Huraira Radi allahu anhu :

Abul Qasim (the Prophet Sal-Allahu Alaihi Wasallam ) said, "There is an hour (or a moment) of particular significance on Friday. If it happens that a Muslim is offering a prayer and invoking Allah for some good at that very moment, Allah will grant him his request." 

Sahih Bukhari, Book 63, Hadith 216

✦ It was narrated from Jabir bin Abdullah Radi allahu anhu that:

The Messenger of Allah Sal-Allahu Alaihi Wasallam said: "Friday is twelve hours in which there is no Muslim slave who asks Allah for something but He will give it to him, so seek it in the last hour after Asr.

Sunan Nasaii, Book 14, Hadith 139-Sahih

✦ Anas bin Malik Radi allahu anhu narrated that :

the Prophet Sal-Allahu Alaihi Wasallam said: "Seek out the hour that is hoped for on Friday after Asr until the sun has set."

Jamia Tirmidhi , Book 4, Hadith 489-Sahih