Well, the Hijri date 21 Muharram 1612 corresponds to the Gregorian date Wednesday, 17 August 2185. This date lies in the first month of the Hijri year 1612 AH, which is Muharram of 1612 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1612/01/21 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 17 August 2185 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Muharram 1612 AH to its equivalent Gregorian date.
يَٰدَاوُۥدُ إِنَّا جَعَلْنَٰكَ خَلِيفَةًۭ فِى ٱلْأَرْضِ فَٱحْكُم بَيْنَ ٱلنَّاسِ بِٱلْحَقِّ وَلَا تَتَّبِعِ ٱلْهَوَىٰ فَيُضِلَّكَ عَن سَبِيلِ ٱللَّهِ ۚ إِنَّ ٱلَّذِينَ يَضِلُّونَ عَن سَبِيلِ ٱللَّهِ لَهُمْ عَذَابٌۭ شَدِيدٌۢ بِمَا نَسُوا۟ يَوْمَ ٱلْحِسَابِ
(And it was said unto him): O David! Lo! We have set thee as a viceroy in the earth; therefor judge aright between mankind, and follow not desire that it beguile thee from the way of Allah. Lo! those who wander from the way of Allah have an awful doom, forasmuch as they forgot the Day of Reckoning.
Surah Saad(38:26)