Well, the Hijri date 21 Muharram 1410 corresponds to the Gregorian date Tuesday, 22 August 1989. This date lies in the first month of the Hijri year 1410 AH, which is Muharram of 1410 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1410/01/21 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 22 August 1989 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Muharram 1410 AH to its equivalent Gregorian date.
لَّا يُؤَاخِذُكُمُ ٱللَّهُ بِٱللَّغْوِ فِىٓ أَيْمَٰنِكُمْ وَلَٰكِن يُؤَاخِذُكُم بِمَا كَسَبَتْ قُلُوبُكُمْ ۗ وَٱللَّهُ غَفُورٌ حَلِيمٌۭ
Allah will not take you to task for that which is unintentional in your oaths. But He will take you to task for that which your hearts have garnered. Allah is Forgiving, Clement.
Surah Al-Baqara(2:225)