Well, the Hijri date 13 Dhul Hijjah 1428 corresponds to the Gregorian date Sunday, 23 December 2007. This date lies in the twelfth month of the Hijri year 1428 AH, which is Dhu Al-Hijjah of 1428 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1428/12/13 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 23 December 2007 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Dhul Hijjah 1428 AH to its equivalent Gregorian date.
وَمَآ أَرْسَلْنَا مِن قَبْلِكَ إِلَّا رِجَالًۭا نُّوحِىٓ إِلَيْهِمْ ۚ فَسْـَٔلُوٓا۟ أَهْلَ ٱلذِّكْرِ إِن كُنتُمْ لَا تَعْلَمُونَ
And We sent not (as Our messengers) before thee other than men whom We inspired - Ask the followers of the Remembrance if ye know not! -
Surah An-Nahl(16:43)