Well, the Hijri date 25 Dhul Hijjah 1228 corresponds to the Gregorian date Saturday, 18 December 1813. This date lies in the twelfth month of the Hijri year 1228 AH, which is Dhu Al-Hijjah of 1228 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1228/12/25 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 18 December 1813 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Dhul Hijjah 1228 AH to its equivalent Gregorian date.
بَلْ جَآءَ بِٱلْحَقِّ وَصَدَّقَ ٱلْمُرْسَلِينَ
Nay, but he brought the Truth, and he confirmed those sent (before him).
Surah As-Saaffaat(37:37)