Well, the Hijri date 11 Shawwal 1391 corresponds to the Gregorian date Monday, 29 November 1971. This date lies in the tenth month of the Hijri year 1391 AH, which is Shawwal of 1391 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1391/10/11 is calculated using the Umm Al-Qura calendar and the sighting of the moon. One thing to remember is that this Arabic date may occur on different Gregorian date depending upon the region and country and obviously the moon.
If you are still not sure about the date then you can use our Arabic date converter.
The following is the conversion of the Gregorian date 29 November 1971 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Shawwal 1391 AH to its equivalent Gregorian date.
وَلَقَدْ هَمَّتْ بِهِۦ ۖ وَهَمَّ بِهَا لَوْلَآ أَن رَّءَا بُرْهَٰنَ رَبِّهِۦ ۚ كَذَٰلِكَ لِنَصْرِفَ عَنْهُ ٱلسُّوٓءَ وَٱلْفَحْشَآءَ ۚ إِنَّهُۥ مِنْ عِبَادِنَا ٱلْمُخْلَصِينَ
She verily desired him, and he would have desired her if it had not been that he saw the argument of his Lord. Thus it was, that We might ward off from him evil and lewdness. Lo! he was of Our chosen slaves.
Surah Yusuf(12:24)