It was narrated from 'Aishah that the Messenger of Allah (ﷺ) prayed 'Asr when the sun was in her room and the shadow had not appeared on her wall.
Sunan an-Nasa'i Book 6, Hadith 12
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"A man asked the Messenger of Allah (ﷺ) about the times of prayer. He said: 'Pray with me.' So he prayed Zuhr when the sun had passsed its zenith, 'Asr when the shadow of a thing was equal to its height, Maghrib when the sun had set and 'Isha' when the twilight had disappeared." He said: "Then he prayed Zuhr when the shadow of a man was equal in length to his height, 'Asr when the length of a man's shadow was twice his height, and Maghrib just before the twilight disappeared." (One of the narrators) 'Abdullah bin Al-Harith said: "then he said: 'With regard to 'Isha' I think it is up to one-third of the night.'"
The speaker there is Thawr, who narrated it from 'Ata' from Jabir.
Sunan an-Nasa'i Book 6, Hadith 11 Next Hadith → "The Messenger of Allah (ﷺ) used to pray 'Asr, then a person could go to Quba'." One of them said: "And he would come to them when they were prayed." The other said: "And the sub was still high."
Both Az-Zuhri and Ishaq bin 'Abdullah narrated it from Anas, so the reference is about them.
Sunan an-Nasa'i Book 6, Hadith 13
The speaker there is Thawr, who narrated it from 'Ata' from Jabir.
Sunan an-Nasa'i Book 6, Hadith 11 Next Hadith → "The Messenger of Allah (ﷺ) used to pray 'Asr, then a person could go to Quba'." One of them said: "And he would come to them when they were prayed." The other said: "And the sub was still high."
Both Az-Zuhri and Ishaq bin 'Abdullah narrated it from Anas, so the reference is about them.
Sunan an-Nasa'i Book 6, Hadith 13