Well, the Hijri date 4 Safar 1123 corresponds to the Gregorian date Monday, 23 March 1711. This date lies in the second month of the Hijri year 1123 AH, which is Safar of 1123 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1123/02/04 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 1711 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Safar 1123 AH to its equivalent Gregorian date.
وَلَقَدْ أَهْلَكْنَا مَا حَوْلَكُم مِّنَ ٱلْقُرَىٰ وَصَرَّفْنَا ٱلْءَايَٰتِ لَعَلَّهُمْ يَرْجِعُونَ
And verily We have destroyed townships round about you, and displayed (for them) Our revelation, that haply they might return.
Surah Al-Ahqaf(46:27)