Well, the Hijri date 21 Dhul Qidah 1267 corresponds to the Gregorian date Tuesday, 16 September 1851. This date lies in the eleventh month of the Hijri year 1267 AH, which is Dhu Al-Qidah of 1267 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1267/11/21 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 16 September 1851 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Qidah 1267 AH to its equivalent Gregorian date.
وَلَقَدْ جَعَلْنَا فِى ٱلسَّمَآءِ بُرُوجًۭا وَزَيَّنَّٰهَا لِلنَّٰظِرِينَ
And verily in the heaven we have set mansions of the stars, and We have beautified it for beholders.
Surah Al-Hijr(15:16)