Well, the Hijri date 26 Dhul Hijjah 1438 corresponds to the Gregorian date Sunday, 17 September 2017. This date lies in the twelfth month of the Hijri year 1438 AH, which is Dhu Al-Hijjah of 1438 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1438/12/26 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 17 September 2017 to its equivalent Arabic date.
The following is the conversion of the Arabic date 26 Dhul Hijjah 1438 AH to its equivalent Gregorian date.
فَإِذَا فَرَغْتَ فَٱنصَبْ
So when thou art relieved, still toil
Surah Ash-Sharh(94:7)