Well, the Hijri date 6 Rabi Al Awwal 1411 corresponds to the Gregorian date Tuesday, 25 September 1990. This date lies in the third month of the Hijri year 1411 AH, which is Rabi Al-Awwal of 1411 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1411/03/06 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 25 September 1990 to its equivalent Arabic date.
The following is the conversion of the Arabic date 6 Rabi Al Awwal 1411 AH to its equivalent Gregorian date.
وَٱلْخَٰمِسَةُ أَنَّ لَعْنَتَ ٱللَّهِ عَلَيْهِ إِن كَانَ مِنَ ٱلْكَٰذِبِينَ
And yet a fifth, invoking the curse of Allah on him if he is of those who lie.
Surah An-Noor(24:7)