Well, the Hijri date 28 Shaban 1229 corresponds to the Gregorian date Sunday, 14 August 1814. This date lies in the eighth month of the Hijri year 1229 AH, which is Shaban of 1229 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1229/08/28 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 14 August 1814 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Shaban 1229 AH to its equivalent Gregorian date.
يَوْمَ تُبَدَّلُ ٱلْأَرْضُ غَيْرَ ٱلْأَرْضِ وَٱلسَّمَٰوَٰتُ ۖ وَبَرَزُوا۟ لِلَّهِ ٱلْوَٰحِدِ ٱلْقَهَّارِ
On the day when the earth will be changed to other than the earth, and the heavens (also will be changed) and they will come forth unto Allah, the One, the Almighty,
Surah Ibrahim(14:48)