Well, the Hijri date 21 Rabi Al Awwal 1267 corresponds to the Gregorian date Thursday, 23 January 1851. This date lies in the third month of the Hijri year 1267 AH, which is Rabi Al-Awwal of 1267 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1267/03/21 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 January 1851 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Awwal 1267 AH to its equivalent Gregorian date.
فَإِمَّا تَثْقَفَنَّهُمْ فِى ٱلْحَرْبِ فَشَرِّدْ بِهِم مَّنْ خَلْفَهُمْ لَعَلَّهُمْ يَذَّكَّرُونَ
If thou comest on them in the war, deal with them so as to strike fear in those who are behind them, that haply they may remember.
Surah Al-Anfaal(8:57)