Sunrise marks the end of the Fajr time; if it occurs after the final sitting, its effect is disputed on the broader exit-from-prayer principle.
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Case 9: sunrise during Fajr
Hadath during Prayer: Building, Restarting and Twelve Final-Sitting Cases
Sunrise marks the end of the Fajr time; if it occurs after the final sitting, its effect is disputed on the broader exit-from-prayer principle.