Well, the Hijri date 3 Dhul Hijjah 1187 corresponds to the Gregorian date Monday, 14 February 1774. This date lies in the twelfth month of the Hijri year 1187 AH, which is Dhu Al-Hijjah of 1187 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1187/12/03 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 14 February 1774 to its equivalent Arabic date.
The following is the conversion of the Arabic date 3 Dhul Hijjah 1187 AH to its equivalent Gregorian date.
۞ وَإِذِ ٱبْتَلَىٰٓ إِبْرَٰهِۦمَ رَبُّهُۥ بِكَلِمَٰتٍۢ فَأَتَمَّهُنَّ ۖ قَالَ إِنِّى جَاعِلُكَ لِلنَّاسِ إِمَامًۭا ۖ قَالَ وَمِن ذُرِّيَّتِى ۖ قَالَ لَا يَنَالُ عَهْدِى ٱلظَّٰلِمِينَ
And (remember) when his Lord tried Abraham with (His) commands, and he fulfilled them, He said: Lo! I have appointed thee a leader for mankind. (Abraham) said: And of my offspring (will there be leaders)? He said: My covenant includeth not wrong-doers.
Surah Al-Baqara(2:124)