Well, the Hijri date 16 Dhul Hijjah 1280 corresponds to the Gregorian date Sunday, 22 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 Sunday without any doubt. The Arabic date 1280/12/16 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 22 May 1864 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Dhul Hijjah 1280 AH to its equivalent Gregorian date.
قَالَ رَبِّ إِنِّى وَهَنَ ٱلْعَظْمُ مِنِّى وَٱشْتَعَلَ ٱلرَّأْسُ شَيْبًۭا وَلَمْ أَكُنۢ بِدُعَآئِكَ رَبِّ شَقِيًّۭا
Saying: My Lord! Lo! the bones of me wax feeble and my head is shining with grey hair, and I have never been unblest in prayer to Thee, my Lord.
Surah Maryam(19:4)