Musannaf Ibn Abi Shayba 8:620

Abu Bakr narrated to us, he said: Muhammad ibn Fudayl narrated to us, from Abd al-Malik, from Ata, from Aisha, that she said: If you wish to perform Tawaf around the House after the dawn prayer or after the afternoon prayer, then perform Tawaf and delay the prayer until the sun sets and until it rises, then pray two rak'ahs for every circuit.