Well, the Hijri date 14 Rabi Al Awwal 1255 corresponds to the Gregorian date Monday, 27 May 1839. This date lies in the third month of the Hijri year 1255 AH, which is Rabi Al-Awwal of 1255 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1255/03/14 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 27 May 1839 to its equivalent Arabic date.
The following is the conversion of the Arabic date 14 Rabi Al Awwal 1255 AH to its equivalent Gregorian date.
۞ أَلَمْ يَأْنِ لِلَّذِينَ ءَامَنُوٓا۟ أَن تَخْشَعَ قُلُوبُهُمْ لِذِكْرِ ٱللَّهِ وَمَا نَزَلَ مِنَ ٱلْحَقِّ وَلَا يَكُونُوا۟ كَٱلَّذِينَ أُوتُوا۟ ٱلْكِتَٰبَ مِن قَبْلُ فَطَالَ عَلَيْهِمُ ٱلْأَمَدُ فَقَسَتْ قُلُوبُهُمْ ۖ وَكَثِيرٌۭ مِّنْهُمْ فَٰسِقُونَ
Is not the time ripe for the hearts of those who believe to submit to Allah's reminder and to the truth which is revealed, that they become not as those who received the scripture of old but the term was prolonged for them and so their hearts were hardened, and many of them are evil-livers.
Surah Al-Hadid(57:16)