The principal Hanafi view ties termination to the exit of prayer time. Abu Yusuf is reported to consider both its entry and its exit; Zufar differs in treating the start of a time and does not apply the same conclusion as the majority to its exit.
The point of disagreement is when the concession tied to prayer time ceases to operate.
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Istihadah, Excused Persons and Nifas
The principal Hanafi view ties termination to the exit of prayer time. Abu Yusuf is reported to consider both its entry and its exit; Zufar differs in treating the start of a time and does not apply the same conclusion as the majority to its exit.
The point of disagreement is when the concession tied to prayer time ceases to operate.