Well, the Hijri date 11 Jumada Al Akhira 1320 corresponds to the Gregorian date Saturday, 13 September 1902. This date lies in the sixth month of the Hijri year 1320 AH, which is Jumada Al-Thani of 1320 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1320/06/11 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 13 September 1902 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Jumada Al Akhira 1320 AH to its equivalent Gregorian date.
فَإِنَّمَا يَسَّرْنَٰهُ بِلِسَانِكَ لِتُبَشِّرَ بِهِ ٱلْمُتَّقِينَ وَتُنذِرَ بِهِۦ قَوْمًۭا لُّدًّۭا
And We make (this Scripture) easy in thy tongue, (O Muhammad) only that thou mayst bear good tidings therewith unto those who ward off (evil), and warn therewith the froward folk.
Surah Maryam(19:97)