Well, the Hijri date 12 Rabi Al Thani 1382 corresponds to the Gregorian date Tuesday, 11 September 1962. This date lies in the fourth month of the Hijri year 1382 AH, which is Rabi Al-Thani of 1382 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1382/04/12 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 11 September 1962 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rabi Al Thani 1382 AH to its equivalent Gregorian date.
فَكَذَّبُوهُ فَأَخَذَهُمْ عَذَابُ يَوْمِ ٱلظُّلَّةِ ۚ إِنَّهُۥ كَانَ عَذَابَ يَوْمٍ عَظِيمٍ
But they denied him, so there came on them the retribution of the day of gloom. Lo! it was the retribution of an awful day.
Surah Ash-Shu'araa(26:189)