Tawus bin Kaysan طاوس · The Book of the Times (of Prayer)

"Whoever catches up with a Rak'ah of the Subh prayer before the sun rises, then he has caught up with Subh, and whoever catches up with a Rak'ah of 'Asr prayer before the sun sets, then he has caught up with 'Asr."

"We heard Abu Umamah Al-Bahili say: 'I heard 'Amrah bin 'Abasah say: I said: 'O Messenger of Allah, is there any moment which brings one close to Allah than another, or any moment that should be sought out for remembering Allah? He said: 'Yes, the closest that the Lord is to His slave is in the last part of the night, so if you can be among those who remember Allah at that time, then do so. For prayer is…

"The Messenger of Allah (ﷺ)forbade praying after 'Asr unless the sun was still white, clear and high."

"My father told me: 'Aishah said: 'The Messenger of Allah (ﷺ) never neglected to pray two Rak'ahs after 'Asr in my house.'"