Well, the Hijri date 21 Muharram 1438 corresponds to the Gregorian date Saturday, 22 October 2016. This date lies in the first month of the Hijri year 1438 AH, which is Muharram of 1438 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1438/01/21 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 October 2016 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Muharram 1438 AH to its equivalent Gregorian date.
فَأَزَلَّهُمَا ٱلشَّيْطَٰنُ عَنْهَا فَأَخْرَجَهُمَا مِمَّا كَانَا فِيهِ ۖ وَقُلْنَا ٱهْبِطُوا۟ بَعْضُكُمْ لِبَعْضٍ عَدُوٌّۭ ۖ وَلَكُمْ فِى ٱلْأَرْضِ مُسْتَقَرٌّۭ وَمَتَٰعٌ إِلَىٰ حِينٍۢ
But Satan caused them to deflect therefrom and expelled them from the (happy) state in which they were; and We said: Fall down, one of you a foe unto the other! There shall be for you on earth a habitation and provision for a time.
Surah Al-Baqara(2:36)