Well, the Hijri date 1 Rabi Al Thani 1121 corresponds to the Gregorian date Sunday, 9 June 1709. This date lies in the fourth month of the Hijri year 1121 AH, which is Rabi Al-Thani of 1121 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1121/04/01 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 June 1709 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rabi Al Thani 1121 AH to its equivalent Gregorian date.
أَوْ يَأْخُذَهُمْ فِى تَقَلُّبِهِمْ فَمَا هُم بِمُعْجِزِينَ
Or that He will not seize them in their going to and fro so that there be no escape for them?
Surah An-Nahl(16:46)