Well, the Hijri date 12 Rabi Al Thani 1386 corresponds to the Gregorian date Saturday, 30 July 1966. This date lies in the fourth month of the Hijri year 1386 AH, which is Rabi Al-Thani of 1386 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1386/04/12 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 30 July 1966 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rabi Al Thani 1386 AH to its equivalent Gregorian date.
أَءِذَا مِتْنَا وَكُنَّا تُرَابًۭا وَعِظَٰمًا أَءِنَّا لَمَدِينُونَ
Can we, when we are dead and have become mere dust and bones - can we (then) verily be brought to book?
Surah As-Saaffaat(37:53)