Well, the Hijri date 12 Rabi Al Thani 1385 corresponds to the Gregorian date Monday, 9 August 1965. This date lies in the fourth month of the Hijri year 1385 AH, which is Rabi Al-Thani of 1385 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1385/04/12 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 9 August 1965 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rabi Al Thani 1385 AH to its equivalent Gregorian date.
فَإِن كَذَّبُوكَ فَقَدْ كُذِّبَ رُسُلٌۭ مِّن قَبْلِكَ جَآءُو بِٱلْبَيِّنَٰتِ وَٱلزُّبُرِ وَٱلْكِتَٰبِ ٱلْمُنِيرِ
And if they deny thee, even so did they deny messengers who were before thee, who came with miracles and with the Psalms and with the Scripture giving light.
Surah Aal-i-Imraan(3:184)