Well, the Hijri date 10 Rajab 1279 corresponds to the Gregorian date Wednesday, 31 December 1862. This date lies in the seventh month of the Hijri year 1279 AH, which is Rajab of 1279 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1279/07/10 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 31 December 1862 to its equivalent Arabic date.
The following is the conversion of the Arabic date 10 Rajab 1279 AH to its equivalent Gregorian date.
وَقَالُوا۟ مَا لَنَا لَا نَرَىٰ رِجَالًۭا كُنَّا نَعُدُّهُم مِّنَ ٱلْأَشْرَارِ
And they say: What aileth us that we behold not men whom we were wont to count among the wicked?
Surah Saad(38:62)