Well, the Hijri date 12 Muharram 1263 corresponds to the Gregorian date Wednesday, 30 December 1846. This date lies in the first month of the Hijri year 1263 AH, which is Muharram of 1263 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1263/01/12 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 30 December 1846 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Muharram 1263 AH to its equivalent Gregorian date.
يَوْمَ تَرْجُفُ ٱلْأَرْضُ وَٱلْجِبَالُ وَكَانَتِ ٱلْجِبَالُ كَثِيبًۭا مَّهِيلًا
On the day when the earth and the hills rock, and the hills become a heap of running sand.
Surah Al-Muzzammil(73:14)