(17) CHAPTER. Whoever got (or was able to offer) only one Raka of the Asr prayer before sunset.
Narrated Abu Huraira: Allah's Apostle said, If anyone of you can get one rak`a of the `Asr prayer before sunset, he should complete his prayer. If any of you can get one rak`a of the Fajr prayer before sunrise, he should complete his prayer.
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