He said that God's messenger threw pebbles at the <i>jamra</i> on the day of sacrifice in the forenoon, and next when the sun had passed the meridian. Bukhari and Muslim.

وَعَنْهُ قَالَ: رَمَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الْجَمْرَةَ يَوْمَ النَّحْرِ ضُحًى وَأَمَّا بَعْدَ ذَلِكَ فَإِذَا زَالَتِ الشَّمْسُ