Well, the Hijri date 25 Jumada Al Akhira 1220 corresponds to the Gregorian date Thursday, 19 September 1805. This date lies in the sixth month of the Hijri year 1220 AH, which is Jumada Al-Thani of 1220 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1220/06/25 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 19 September 1805 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Jumada Al Akhira 1220 AH to its equivalent Gregorian date.
وَمَآ أَرْسَلْنَٰكَ إِلَّا كَآفَّةًۭ لِّلنَّاسِ بَشِيرًۭا وَنَذِيرًۭا وَلَٰكِنَّ أَكْثَرَ ٱلنَّاسِ لَا يَعْلَمُونَ
And We have not sent thee (O Muhammad) save as a bringer of good tidings and a warner unto all mankind; but most of mankind know not.
Surah Saba(34:28)