Well, the Hijri date 21 Muharram 1451 corresponds to the Gregorian date Sunday, 3 June 2029. This date lies in the first month of the Hijri year 1451 AH, which is Muharram of 1451 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1451/01/21 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 3 June 2029 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Muharram 1451 AH to its equivalent Gregorian date.
قَدْ قَالَهَا ٱلَّذِينَ مِن قَبْلِهِمْ فَمَآ أَغْنَىٰ عَنْهُم مَّا كَانُوا۟ يَكْسِبُونَ
Those before them said it, yet (all) that they had earned availed them not;
Surah Az-Zumar(39:50)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: The Miqat for the people of ‘Iraq is Dhat-‘Irq
Narrated Ibn `Umar:
When these two towns (Basra and Kufa) were captured, the people went to `Umar and said, "O the Chief of the faithful believers! The Prophet (ﷺ) fixed Qarn as the Miqat for the people of Najd, it is beyond our way and it is difficult for us to pass through it." He said, "Take as your Miqat a place situated opposite to Qarn on your usual way. So, he fixed Dhatu-Irq (as their Miqat)."
Sahih al-Bukhari 1531