Well, the Hijri date 26 Dhul Hijjah 1478 corresponds to the Gregorian date Sunday, 9 July 2056. This date lies in the twelfth month of the Hijri year 1478 AH, which is Dhu Al-Hijjah of 1478 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1478/12/26 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 9 July 2056 to its equivalent Arabic date.
The following is the conversion of the Arabic date 26 Dhul Hijjah 1478 AH to its equivalent Gregorian date.
وَإِذْ أَخَذَ ٱللَّهُ مِيثَٰقَ ٱلَّذِينَ أُوتُوا۟ ٱلْكِتَٰبَ لَتُبَيِّنُنَّهُۥ لِلنَّاسِ وَلَا تَكْتُمُونَهُۥ فَنَبَذُوهُ وَرَآءَ ظُهُورِهِمْ وَٱشْتَرَوْا۟ بِهِۦ ثَمَنًۭا قَلِيلًۭا ۖ فَبِئْسَ مَا يَشْتَرُونَ
And (remember) when Allah laid a charge on those who had received the Scripture (He said): Ye are to expound it to mankind and not to hide it. But they flung it behind their backs and bought thereby a little gain. Verily evil is that which they have gained thereby.
Surah Aal-i-Imraan(3:187)