Well, the Hijri date 22 Rabi Al Thani 1407 corresponds to the Gregorian date Tuesday, 23 December 1986. This date lies in the fourth month of the Hijri year 1407 AH, which is Rabi Al-Thani of 1407 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1407/04/22 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 23 December 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Rabi Al Thani 1407 AH to its equivalent Gregorian date.
فَذَرْنِى وَمَن يُكَذِّبُ بِهَٰذَا ٱلْحَدِيثِ ۖ سَنَسْتَدْرِجُهُم مِّنْ حَيْثُ لَا يَعْلَمُونَ
Leave Me (to deal) with those who give the lie to this pronouncement. We shall lead them on by steps from whence they know not.
Surah Al-Qalam(68:44)