Well, the Hijri date 13 Dhul Hijjah 1266 corresponds to the Gregorian date Saturday, 19 October 1850. This date lies in the twelfth month of the Hijri year 1266 AH, which is Dhu Al-Hijjah of 1266 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1266/12/13 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 October 1850 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Dhul Hijjah 1266 AH to its equivalent Gregorian date.
أَوْ يَأْخُذَهُمْ فِى تَقَلُّبِهِمْ فَمَا هُم بِمُعْجِزِينَ
Or that He will not seize them in their going to and fro so that there be no escape for them?
Surah An-Nahl(16:46)