Well, the Hijri date 1 Rajab 1226 corresponds to the Gregorian date Sunday, 21 July 1811. This date lies in the seventh month of the Hijri year 1226 AH, which is Rajab of 1226 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1226/07/01 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 21 July 1811 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rajab 1226 AH to its equivalent Gregorian date.
وَلَهُ ٱلْكِبْرِيَآءُ فِى ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ ۖ وَهُوَ ٱلْعَزِيزُ ٱلْحَكِيمُ
And unto Him (alone) belongeth Majesty in the heavens and the earth, and He is the Mighty, the Wise.
Surah Al-Jaathiya(45:37)