Well, the Hijri date 17 Dhul Qidah 1255 corresponds to the Gregorian date Tuesday, 21 January 1840. This date lies in the eleventh month of the Hijri year 1255 AH, which is Dhu Al-Qidah of 1255 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1255/11/17 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 January 1840 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Dhul Qidah 1255 AH to its equivalent Gregorian date.
لِّيَعْلَمَ أَن قَدْ أَبْلَغُوا۟ رِسَٰلَٰتِ رَبِّهِمْ وَأَحَاطَ بِمَا لَدَيْهِمْ وَأَحْصَىٰ كُلَّ شَىْءٍ عَدَدًۢا
That He may know that they have indeed conveyed the messages of their Lord. He surroundeth all their doings, and He keepeth count of all things.
Surah Al-Jinn(72:28)
