Well, the Hijri date 21 Rabi Al Awwal 1337 corresponds to the Gregorian date Tuesday, 24 December 1918. This date lies in the third month of the Hijri year 1337 AH, which is Rabi Al-Awwal of 1337 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1337/03/21 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 24 December 1918 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Awwal 1337 AH to its equivalent Gregorian date.
بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ سُبْحَٰنَ ٱلَّذِىٓ أَسْرَىٰ بِعَبْدِهِۦ لَيْلًۭا مِّنَ ٱلْمَسْجِدِ ٱلْحَرَامِ إِلَى ٱلْمَسْجِدِ ٱلْأَقْصَا ٱلَّذِى بَٰرَكْنَا حَوْلَهُۥ لِنُرِيَهُۥ مِنْ ءَايَٰتِنَآ ۚ إِنَّهُۥ هُوَ ٱلسَّمِيعُ ٱلْبَصِيرُ
Glorified be He Who carried His servant by night from the Inviolable Place of Worship to the Far distant place of worship the neighbourhood whereof We have blessed, that We might show him of Our tokens! Lo! He, only He, is the Hearer, the Seer.
Surah Al-Israa(17:1)