Well, the Hijri date 6 Muharram 1237 corresponds to the Gregorian date Tuesday, 2 October 1821. This date lies in the first month of the Hijri year 1237 AH, which is Muharram of 1237 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1237/01/06 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 2 October 1821 to its equivalent Arabic date.
The following is the conversion of the Arabic date 6 Muharram 1237 AH to its equivalent Gregorian date.
أَوَعَجِبْتُمْ أَن جَآءَكُمْ ذِكْرٌۭ مِّن رَّبِّكُمْ عَلَىٰ رَجُلٍۢ مِّنكُمْ لِيُنذِرَكُمْ ۚ وَٱذْكُرُوٓا۟ إِذْ جَعَلَكُمْ خُلَفَآءَ مِنۢ بَعْدِ قَوْمِ نُوحٍۢ وَزَادَكُمْ فِى ٱلْخَلْقِ بَصْۜطَةًۭ ۖ فَٱذْكُرُوٓا۟ ءَالَآءَ ٱللَّهِ لَعَلَّكُمْ تُفْلِحُونَ
Marvel ye that there should come unto you a Reminder from your Lord by means of a man among you, that he may warn you? Remember how He made you viceroys after Noah's folk, and gave you growth of stature. Remember (all) the bounties of your Lord, that haply ye may be successful.
Surah Al-A'raaf(7:69)