Well, the Hijri date 21 Rabi Al Thani 1312 corresponds to the Gregorian date Sunday, 21 October 1894. This date lies in the fourth month of the Hijri year 1312 AH, which is Rabi Al-Thani of 1312 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1312/04/21 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 21 October 1894 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Thani 1312 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)