Well, the Hijri date 21 Safar 1386 corresponds to the Gregorian date Friday, 10 June 1966. This date lies in the second month of the Hijri year 1386 AH, which is Safar of 1386 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1386/02/21 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 10 June 1966 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Safar 1386 AH to its equivalent Gregorian date.
وَشَجَرَةًۭ تَخْرُجُ مِن طُورِ سَيْنَآءَ تَنۢبُتُ بِٱلدُّهْنِ وَصِبْغٍۢ لِّلْءَاكِلِينَ
And a tree that springeth forth from Mount Sinai that groweth oil and relish for the eaters.
Surah Al-Muminoon(23:20)