Well, the Hijri date 28 Rajab 1220 corresponds to the Gregorian date Monday, 21 October 1805. This date lies in the seventh month of the Hijri year 1220 AH, which is Rajab of 1220 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1220/07/28 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 21 October 1805 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Rajab 1220 AH to its equivalent Gregorian date.
فَإِن لَّمْ تَفْعَلُوا۟ فَأْذَنُوا۟ بِحَرْبٍۢ مِّنَ ٱللَّهِ وَرَسُولِهِۦ ۖ وَإِن تُبْتُمْ فَلَكُمْ رُءُوسُ أَمْوَٰلِكُمْ لَا تَظْلِمُونَ وَلَا تُظْلَمُونَ
And if ye do not, then be warned of war (against you) from Allah and His messenger. And if ye repent, then ye have your principal (without interest). Wrong not, and ye shall not be wronged.
Surah Al-Baqara(2:279)
