Well, the Hijri date 15 Muharram 1509 corresponds to the Gregorian date Tuesday, 4 September 2085. This date lies in the first month of the Hijri year 1509 AH, which is Muharram of 1509 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1509/01/15 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 4 September 2085 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Muharram 1509 AH to its equivalent Gregorian date.
فَمَنْ أَظْلَمُ مِمَّنِ ٱفْتَرَىٰ عَلَى ٱللَّهِ كَذِبًا أَوْ كَذَّبَ بِـَٔايَٰتِهِۦٓ ۚ إِنَّهُۥ لَا يُفْلِحُ ٱلْمُجْرِمُونَ
Who doeth greater wrong than he who inventeth a lie concerning Allah and denieth His revelations? Lo! the guilty never are successful.
Surah Yunus(10:17)