Well, the Hijri date 18 Shaban 1317 corresponds to the Gregorian date Thursday, 21 December 1899. This date lies in the eighth month of the Hijri year 1317 AH, which is Shaban of 1317 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1317/08/18 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 December 1899 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Shaban 1317 AH to its equivalent Gregorian date.
ٱلْمُلْكُ يَوْمَئِذٍ ٱلْحَقُّ لِلرَّحْمَٰنِ ۚ وَكَانَ يَوْمًا عَلَى ٱلْكَٰفِرِينَ عَسِيرًۭا
The Sovereignty on that day will be the True (Sovereignty) belonging to the Beneficent One, and it will be a hard day for disbelievers.
Surah Al-Furqaan(25:26)