Volume 2, Book 26, Number 694:
Narrated Urwa from Aisha (radiallaahu `anhaa):
Some people performed Tawaf (of the Kaba) after the morning prayer and then sat to listen to a preacher till sunrise, and then they stood up for the prayer. Then Aisha (radiallaahu `anhaa) commented, "Those people kept on sitting till it was the time in which the prayer is disliked and after that they stood up for the prayer."
Volume 2, Book 26, Number 695:
Narrated Abdullah (radiallaahu `anhu):
heard the Prophet (sallallaahu `alayhi wasallam) forbidding the offering of prayers at the time of sunrise and sunset.
Volume 2, Book 26, Number 696:
Narrated Abida bin Humaid:
Abdul, Aziz bin Rufai Said, "I saw Abdullah bin Az-Zubair (radiallaahu `anhu) performing Tawaf of the Kaba after the morning prayer then offering the two Rakat prayer." Abdul Aziz added, "I saw Abdullah bin Az-Zubair (radiallaahu `anhu) offering a two Rakat prayer after the Asr prayer." He informed me that Aisha (radiallaahu `anhaa) told him that the Prophet (sallallaahu `alayhi wasallam) used to offer those two Rakat whenever he entered her house."
- Praying during sunrise and sunset is forbidden.
- Praying after `Asr is makruh (disliked).
- Exception: praying after `Asr is Sunnah, actually.
Taken from: http://ilookilisten.wordpress.com/2013/03/08/makruh-times-for-salah-ahadth-1394-1396/