Well, the Hijri date 10 Safar 1523 corresponds to the Gregorian date Thursday, 30 April 2099. This date lies in the second month of the Hijri year 1523 AH, which is Safar of 1523 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1523/02/10 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 30 April 2099 to its equivalent Arabic date.
The following is the conversion of the Arabic date 10 Safar 1523 AH to its equivalent Gregorian date.
وَلَقَدْ أَرْسَلْنَآ إِلَىٰ ثَمُودَ أَخَاهُمْ صَٰلِحًا أَنِ ٱعْبُدُوا۟ ٱللَّهَ فَإِذَا هُمْ فَرِيقَانِ يَخْتَصِمُونَ
And We verily sent unto Thamud their brother Salih, saying: Worship Allah. And lo! they (then became two parties quarrelling.
Surah An-Naml(27:45)