"The Prophet would stone on the Day of An-Nahr during the morning light, as for (the days) afterwards, then (he would do it) after the Zenith of the sun."  

كَانَ النَّبِيُّ ﷺ يَرْمِي يَوْمَ النَّحْرِ ضُحًى وَأَمَّا بَعْدَ ذَلِكَ فَبَعْدَ زَوَالِ الشَّمْسِ