Well, the Hijri date 13 Dhul Hijjah 1280 corresponds to the Gregorian date Thursday, 19 May 1864. This date lies in the twelfth month of the Hijri year 1280 AH, which is Dhu Al-Hijjah of 1280 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1280/12/13 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 19 May 1864 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Dhul Hijjah 1280 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ يَتْلُونَ كِتَٰبَ ٱللَّهِ وَأَقَامُوا۟ ٱلصَّلَوٰةَ وَأَنفَقُوا۟ مِمَّا رَزَقْنَٰهُمْ سِرًّۭا وَعَلَانِيَةًۭ يَرْجُونَ تِجَٰرَةًۭ لَّن تَبُورَ
Lo! those who read the Scripture of Allah, and establish worship, and spend of that which We have bestowed on them secretly and openly, they look forward to imperishable gain,
Surah Faatir(35:29)