Well, the Hijri date 27 Jumada Al Oula 1509 corresponds to the Gregorian date Saturday, 12 January 2086. This date lies in the fifth month of the Hijri year 1509 AH, which is Jumada Al-Awwal of 1509 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1509/05/27 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 12 January 2086 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Jumada Al Oula 1509 AH to its equivalent Gregorian date.
وَلَوْ نَشَآءُ لَأَرَيْنَٰكَهُمْ فَلَعَرَفْتَهُم بِسِيمَٰهُمْ ۚ وَلَتَعْرِفَنَّهُمْ فِى لَحْنِ ٱلْقَوْلِ ۚ وَٱللَّهُ يَعْلَمُ أَعْمَٰلَكُمْ
And if We would, We could show them unto thee (Muhammad) so that thou shouldst know them surely by their marks. And thou shalt know them by the burden of their talk. And Allah knoweth your deeds.
Surah Muhammad(47:30)