Well, the Hijri date 17 Muharram 1612 corresponds to the Gregorian date Saturday, 13 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 Saturday without any doubt. The Arabic date 1612/01/17 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 13 August 2185 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Muharram 1612 AH to its equivalent Gregorian date.
إِن نَّقُولُ إِلَّا ٱعْتَرَىٰكَ بَعْضُ ءَالِهَتِنَا بِسُوٓءٍۢ ۗ قَالَ إِنِّىٓ أُشْهِدُ ٱللَّهَ وَٱشْهَدُوٓا۟ أَنِّى بَرِىٓءٌۭ مِّمَّا تُشْرِكُونَ
We say naught save that one of our gods hath possessed thee in an evil way. He said: I call Allah to witness, and do ye (too) bear witness, that I am innocent of (all) that ye ascribe as partners (to Allah)
Surah Hud(11:54)