Well, the Hijri date 13 Jumada Al Oula 1222 corresponds to the Gregorian date Saturday, 18 July 1807. This date lies in the fifth month of the Hijri year 1222 AH, which is Jumada Al-Awwal of 1222 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1222/05/13 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 18 July 1807 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Jumada Al Oula 1222 AH to its equivalent Gregorian date.
ٱلْأَخِلَّآءُ يَوْمَئِذٍۭ بَعْضُهُمْ لِبَعْضٍ عَدُوٌّ إِلَّا ٱلْمُتَّقِينَ
Friends on that day will be foes one to another, save those who kept their duty (to Allah).
Surah Az-Zukhruf(43:67)