And Jabir (may Allah be pleased with him) said that the Prophet (peace and blessings of Allah be upon him) threw the pebbles on the tenth of Dhul-Hijjah at the time of forenoon, and on the subsequent days after the sun had declined.

Narrated Wabra: I asked Ibn `Umar, "When should I do the Rami of the Jimar?" He replied, "When your leader does that." I asked him again the same question. He replied, "We used to wait till the sun declined and then we would do the Rami (i.e. on the 11th and 12th of Dhul-Hijja)."