Well, the Hijri date 4 Dhul Hijjah 1251 corresponds to the Gregorian date Monday, 21 March 1836. This date lies in the twelfth month of the Hijri year 1251 AH, which is Dhu Al-Hijjah of 1251 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1251/12/04 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 March 1836 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Dhul Hijjah 1251 AH to its equivalent Gregorian date.
فَرَجَعَ مُوسَىٰٓ إِلَىٰ قَوْمِهِۦ غَضْبَٰنَ أَسِفًۭا ۚ قَالَ يَٰقَوْمِ أَلَمْ يَعِدْكُمْ رَبُّكُمْ وَعْدًا حَسَنًا ۚ أَفَطَالَ عَلَيْكُمُ ٱلْعَهْدُ أَمْ أَرَدتُّمْ أَن يَحِلَّ عَلَيْكُمْ غَضَبٌۭ مِّن رَّبِّكُمْ فَأَخْلَفْتُم مَّوْعِدِى
Then Moses went back unto his folk, angry and sad. He said: O my people! Hath not your Lord promised you a fair promise? Did the time appointed then appear too long for you, or did ye wish that wrath from your Lord should come upon you, that ye broke tryst with me?
Surah Taa-Haa(20:86)