عَن كَعْب بْنِ مَالِكٍ: أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ خَرَجَ يَوْمَ الْخَمِيسِ فِي غَزْوَةِ تَبُوكَ وَكَانَ يُحِبُّ أَنْ يَخْرُجَ يَوْمَ الْخَمِيسِ. رَوَاهُ البُخَارِيّ

Anas told that he and Abu Talha arrived with God’s Messenger who had Safiya riding behind him on his mount.Bukhari transmitted it.