Well, the Hijri date 12 Rabi Al Thani 1510 corresponds to the Gregorian date Monday, 18 November 2086. This date lies in the fourth month of the Hijri year 1510 AH, which is Rabi Al-Thani of 1510 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1510/04/12 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 18 November 2086 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rabi Al Thani 1510 AH to its equivalent Gregorian date.
فَأَلْقَوْا۟ حِبَالَهُمْ وَعِصِيَّهُمْ وَقَالُوا۟ بِعِزَّةِ فِرْعَوْنَ إِنَّا لَنَحْنُ ٱلْغَٰلِبُونَ
Then they threw down their cords and their staves and said: By Pharaoh's might, lo! we verily are the winners.
Surah Ash-Shu'araa(26:44)