Well, the Hijri date 21 Dhul Qidah 1253 corresponds to the Gregorian date Thursday, 15 February 1838. This date lies in the eleventh month of the Hijri year 1253 AH, which is Dhu Al-Qidah of 1253 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1253/11/21 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 15 February 1838 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Qidah 1253 AH to its equivalent Gregorian date.
يَوْمَئِذٍۢ يُوَفِّيهِمُ ٱللَّهُ دِينَهُمُ ٱلْحَقَّ وَيَعْلَمُونَ أَنَّ ٱللَّهَ هُوَ ٱلْحَقُّ ٱلْمُبِينُ
On that day Allah will pay them their just due, and they will know that Allah, He is the Manifest Truth.
Surah An-Noor(24:25)