Well, the Hijri date 11 Rajab 1366 corresponds to the Gregorian date Saturday, 31 May 1947. This date lies in the seventh month of the Hijri year 1366 AH, which is Rajab of 1366 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1366/07/11 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 31 May 1947 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Rajab 1366 AH to its equivalent Gregorian date.
وَكَيْفَ أَخَافُ مَآ أَشْرَكْتُمْ وَلَا تَخَافُونَ أَنَّكُمْ أَشْرَكْتُم بِٱللَّهِ مَا لَمْ يُنَزِّلْ بِهِۦ عَلَيْكُمْ سُلْطَٰنًۭا ۚ فَأَىُّ ٱلْفَرِيقَيْنِ أَحَقُّ بِٱلْأَمْنِ ۖ إِن كُنتُمْ تَعْلَمُونَ
How should I fear that which ye set up beside Him, when ye fear not to set up beside Allah that for which He hath revealed unto you no warrant? Which of the two factions hath more right to safety? (Answer me that) if ye have knowledge.
Surah Al-An'aam(6:81)
Sahih al-Bukhari
To make the Heart Tender (Ar-Riqaq)
Chapter: Regarding Al-Haud
Narrated Abu Huraira:
The Prophet (ﷺ) said, "While I was sleeping, a group (of my followers were brought close to me), and when I recognized them, a man (an angel) came out from amongst (us) me and them, he said (to them), 'Come along.' I asked, 'Where?' He said, 'To the (Hell) Fire, by Allah' I asked, 'what is wrong with them' He said, 'They turned apostate as renegades after you left.' Then behold! (Another) group (of my followers) were brought close to me, and when I recognized them, a man (an angel) came out from (me and them) he said (to them); Come along.' I asked, "Where?' He said, 'To the (Hell) Fire, by Allah.' I asked, What is wrong with them?' He said, 'They turned apostate as renegades after you left. So I did not see anyone of them escaping except a few who were like camels without a shepherd."
Sahih al-Bukhari 6587