Well, the Hijri date 21 Rabi Al Thani 1483 corresponds to the Gregorian date Thursday, 16 September 2060. This date lies in the fourth month of the Hijri year 1483 AH, which is Rabi Al-Thani of 1483 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1483/04/21 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 16 September 2060 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Thani 1483 AH to its equivalent Gregorian date.
وَلَئِنْ أَطَعْتُم بَشَرًۭا مِّثْلَكُمْ إِنَّكُمْ إِذًۭا لَّخَٰسِرُونَ
If ye were to obey a mortal like yourselves, then, lo! ye surely would be losers.
Surah Al-Muminoon(23:34)