Well, the Hijri date 16 Muharram 1284 corresponds to the Gregorian date Sunday, 19 May 1867. This date lies in the first month of the Hijri year 1284 AH, which is Muharram of 1284 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1284/01/16 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 19 May 1867 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Muharram 1284 AH to its equivalent Gregorian date.
مَا قَدَرُوا۟ ٱللَّهَ حَقَّ قَدْرِهِۦٓ ۗ إِنَّ ٱللَّهَ لَقَوِىٌّ عَزِيزٌ
They measure not Allah His rightful measure. Lo! Allah is Strong, Almighty.
Surah Al-Hajj(22:74)