Well, the Hijri date 25 Rajab 1509 corresponds to the Gregorian date Sunday, 10 March 2086. This date lies in the seventh month of the Hijri year 1509 AH, which is Rajab of 1509 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1509/07/25 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 10 March 2086 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Rajab 1509 AH to its equivalent Gregorian date.
تِلْكَ أُمَّةٌۭ قَدْ خَلَتْ ۖ لَهَا مَا كَسَبَتْ وَلَكُم مَّا كَسَبْتُمْ ۖ وَلَا تُسْـَٔلُونَ عَمَّا كَانُوا۟ يَعْمَلُونَ
Those are a people who have passed away. Theirs is that which they earned, and yours is that which ye earn. And ye will not be asked of what they used to do.
Surah Al-Baqara(2:134)