Sayyiduna Bilal (may Allah be pleased with him) said: The Prophet (peace and blessings be upon him) forbade praying only at the time the sun rises, for it rises between the two horns of Shaytan.
Ahmad recorded it, and al-Tabarani recorded a report with its meaning in al-Mu'jam al-Kabir. Ahmad's narrators are the narrators of the Sahih.