Well, the Hijri date 21 Rabi Al Thani 1244 corresponds to the Gregorian date Thursday, 30 October 1828. This date lies in the fourth month of the Hijri year 1244 AH, which is Rabi Al-Thani of 1244 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1244/04/21 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 30 October 1828 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Thani 1244 AH to its equivalent Gregorian date.
وَلَا يَحْزُنكَ ٱلَّذِينَ يُسَٰرِعُونَ فِى ٱلْكُفْرِ ۚ إِنَّهُمْ لَن يَضُرُّوا۟ ٱللَّهَ شَيْـًۭٔا ۗ يُرِيدُ ٱللَّهُ أَلَّا يَجْعَلَ لَهُمْ حَظًّۭا فِى ٱلْءَاخِرَةِ ۖ وَلَهُمْ عَذَابٌ عَظِيمٌ
Let not their conduct grieve thee, who run easily to disbelief, for lo! they injure Allah not at all. It is Allah's Will to assign them no portion in the Hereafter, and theirs will be an awful doom.
Surah Aal-i-Imraan(3:176)