Yahya bin Abi Kathir يحيى بن أبي كثير الطائي · The Book of the Times (of Prayer)

"A man came to the Messenger of Allah (ﷺ) and asked him about the times of prayer. He said: 'Stay with us for these two days.' Then he told Bilal to say the Iqamah at dawn and he prayed Fajr. Then he told him to do that when the sun had passed its zenith and he prayed Zuhr. Then he told him to do that when the sun was still bright, and he said the Iqamah for 'Asr. Then he…

"I came to the Messenger of Allah, who became Muslim with you?' He said: 'Free men and slaves.' I said: 'Is there any moment which brings one closer to Allah than another?' He said: 'Yes, the last part of the night, so pray as much as you want until you pray Subh, then stop until the sun has risen until and it looks like a shield and (its shinning)spreads. Then pray as much as you want until an object's shadow…