Well, the Hijri date 13 Ramadan 1437 corresponds to the Gregorian date Saturday, 18 June 2016. This date lies in the ninth month of the Hijri year 1437 AH, which is Ramadan of 1437 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1437/09/13 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 June 2016 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Ramadan 1437 AH to its equivalent Gregorian date.
فَأَمَّا ٱلَّذِينَ ءَامَنُوا۟ بِٱللَّهِ وَٱعْتَصَمُوا۟ بِهِۦ فَسَيُدْخِلُهُمْ فِى رَحْمَةٍۢ مِّنْهُ وَفَضْلٍۢ وَيَهْدِيهِمْ إِلَيْهِ صِرَٰطًۭا مُّسْتَقِيمًۭا
As for those who believe in Allah, and hold fast unto Him, them He will cause to enter into His mercy and grace, and will guide them unto Him by a straight road.
Surah An-Nisaa(4:175)