Well, the Hijri date 26 Dhul Hijjah 1260 corresponds to the Gregorian date Sunday, 5 January 1845. This date lies in the twelfth month of the Hijri year 1260 AH, which is Dhu Al-Hijjah of 1260 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1260/12/26 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 5 January 1845 to its equivalent Arabic date.
The following is the conversion of the Arabic date 26 Dhul Hijjah 1260 AH to its equivalent Gregorian date.
وَأَمَّا عَادٌۭ فَأُهْلِكُوا۟ بِرِيحٍۢ صَرْصَرٍ عَاتِيَةٍۢ
And as for A'ad, they were destroyed by a fierce roaring wind,
Surah Al-Haaqqa(69:6)