Some people saw the crescent moon and came to the Prophet ﷺ, and he told them to break their fast after the sun has risen and to go out for 'Eid the (morning of the) following day.  

أَنَّ قَوْمًا رَأَوُا الْهِلاَلَ فَأَتَوُا النَّبِيَّ ﷺ فَأَمَرَهُمْ أَنْ يُفْطِرُوا بَعْدَ مَا ارْتَفَعَ النَّهَارُ وَأَنْ يَخْرُجُوا إِلَى الْعِيدِ مِنَ الْغَدِ