Well, the Hijri date 26 Rajab 1218 corresponds to the Gregorian date Thursday, 10 November 1803. This date lies in the seventh month of the Hijri year 1218 AH, which is Rajab of 1218 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1218/07/26 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 10 November 1803 to its equivalent Arabic date.
The following is the conversion of the Arabic date 26 Rajab 1218 AH to its equivalent Gregorian date.
فَخَرَجَ عَلَىٰ قَوْمِهِۦ مِنَ ٱلْمِحْرَابِ فَأَوْحَىٰٓ إِلَيْهِمْ أَن سَبِّحُوا۟ بُكْرَةًۭ وَعَشِيًّۭا
Then he came forth unto his people from the sanctuary, and signified to them: Glorify your Lord at break of day and fall of night.
Surah Maryam(19:11)