Well, the Hijri date 3 Shawwal 1279 corresponds to the Gregorian date Monday, 23 March 1863. This date lies in the tenth month of the Hijri year 1279 AH, which is Shawwal of 1279 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1279/10/03 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 23 March 1863 to its equivalent Arabic date.
The following is the conversion of the Arabic date 3 Shawwal 1279 AH to its equivalent Gregorian date.
مَآ أَنتَ إِلَّا بَشَرٌۭ مِّثْلُنَا فَأْتِ بِـَٔايَةٍ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ
Thou art but a mortal like us. So bring some token if thou art of the truthful.
Surah Ash-Shu'araa(26:154)