The word(s) "observance" appears 1 time(s) in 1 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) The Sabbath was only made (strict) for those who disagreed (as to its observance); But Allah will judge between them on the Day of Judgment, as to their differences.

(سورة النحل, An-Nahl, Chapter #16, Verse #124)
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