Well, the Hijri date 15 Dhul Hijjah 1306 corresponds to the Gregorian date Monday, 12 August 1889. This date lies in the twelfth month of the Hijri year 1306 AH, which is Dhu Al-Hijjah of 1306 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1306/12/15 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 12 August 1889 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Dhul Hijjah 1306 AH to its equivalent Gregorian date.
أَلَمْ يَرَوْا۟ كَمْ أَهْلَكْنَا قَبْلَهُم مِّنَ ٱلْقُرُونِ أَنَّهُمْ إِلَيْهِمْ لَا يَرْجِعُونَ
Have they not seen how many generations We destroyed before them, which indeed returned not unto them;
Surah Yaseen(36:31)