Well, the Hijri date 21 Rabi Al Awwal 1386 corresponds to the Gregorian date Saturday, 9 July 1966. This date lies in the third month of the Hijri year 1386 AH, which is Rabi Al-Awwal of 1386 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1386/03/21 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 9 July 1966 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Awwal 1386 AH to its equivalent Gregorian date.
لَّا يَسْتَوِى ٱلْقَٰعِدُونَ مِنَ ٱلْمُؤْمِنِينَ غَيْرُ أُو۟لِى ٱلضَّرَرِ وَٱلْمُجَٰهِدُونَ فِى سَبِيلِ ٱللَّهِ بِأَمْوَٰلِهِمْ وَأَنفُسِهِمْ ۚ فَضَّلَ ٱللَّهُ ٱلْمُجَٰهِدِينَ بِأَمْوَٰلِهِمْ وَأَنفُسِهِمْ عَلَى ٱلْقَٰعِدِينَ دَرَجَةًۭ ۚ وَكُلًّۭا وَعَدَ ٱللَّهُ ٱلْحُسْنَىٰ ۚ وَفَضَّلَ ٱللَّهُ ٱلْمُجَٰهِدِينَ عَلَى ٱلْقَٰعِدِينَ أَجْرًا عَظِيمًۭا
Those of the believers who sit still, other than those who have a (disabling) hurt, are not on an equality with those who strive in the way of Allah with their wealth and lives. Allah hath conferred on those who strive with their wealth and lives a rank above the sedentary. Unto each Allah hath promised good, but He hath bestowed on those who strive a great reward above the sedentary;
Surah An-Nisaa(4:95)