Prayer (Kitab Al-Salat)
2/5. Chapter:
The Time For 'Asr Prayer
Sunan Abi Dawud
حَدَّثَنَا يُوسُفُ بْنُ مُوسَى، حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنْ خَيْثَمَةَ، قَالَ حَيَاتُهَا أَنْ تَجِدَ، حَرَّهَا .
Khaythamah said: By the life of the sun is meant that you may find heat in it.
Reference : Sunan Abi Dawud 406In-book reference : Book 2, Hadith 16English translation : Book 2, Hadith 406