Well, the Hijri date 4 Dhul Qidah 1491 corresponds to the Gregorian date Friday, 28 December 2068. This date lies in the eleventh month of the Hijri year 1491 AH, which is Dhu Al-Qidah of 1491 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1491/11/04 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 28 December 2068 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Dhul Qidah 1491 AH to its equivalent Gregorian date.
وَقَالَ ٱلَّذِينَ كَفَرُوا۟ لِلَّذِينَ ءَامَنُوا۟ لَوْ كَانَ خَيْرًۭا مَّا سَبَقُونَآ إِلَيْهِ ۚ وَإِذْ لَمْ يَهْتَدُوا۟ بِهِۦ فَسَيَقُولُونَ هَٰذَآ إِفْكٌۭ قَدِيمٌۭ
And those who disbelieve say of those who believe: If it had been (any) good, they would not have been before us in attaining it. And since they will not be guided by it, they say: This is an ancient lie;
Surah Al-Ahqaf(46:11)