Sunrise is the final legal boundary for Fajr. Beyond that point, Fajr is no longer within its assigned time.
The phrase “until the sun rises” refers specifically to this end-point, not to midmorning or another later period.
The recommendation concerning isfar is a separate matter and does not change Fajr's formal beginning or end.
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Prayer Times and Recommended Times
Sunrise is the final legal boundary for Fajr. Beyond that point, Fajr is no longer within its assigned time.
The phrase “until the sun rises” refers specifically to this end-point, not to midmorning or another later period.
The recommendation concerning isfar is a separate matter and does not change Fajr's formal beginning or end.