Well, the Hijri date 21 Rabi Al Thani 1614 corresponds to the Gregorian date Tuesday, 23 October 2187. This date lies in the fourth month of the Hijri year 1614 AH, which is Rabi Al-Thani of 1614 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1614/04/21 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 23 October 2187 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Thani 1614 AH to its equivalent Gregorian date.
وَٱلَّذِينَ ٱتَّخَذُوا۟ مَسْجِدًۭا ضِرَارًۭا وَكُفْرًۭا وَتَفْرِيقًۢا بَيْنَ ٱلْمُؤْمِنِينَ وَإِرْصَادًۭا لِّمَنْ حَارَبَ ٱللَّهَ وَرَسُولَهُۥ مِن قَبْلُ ۚ وَلَيَحْلِفُنَّ إِنْ أَرَدْنَآ إِلَّا ٱلْحُسْنَىٰ ۖ وَٱللَّهُ يَشْهَدُ إِنَّهُمْ لَكَٰذِبُونَ
And as for those who chose a place of worship out of opposition and disbelief, and in order to cause dissent among the believers, and as an outpost for those who warred against Allah and His messenger aforetime, they will surely swear: We purposed naught save good. Allah beareth witness that they verily are liars.
Surah At-Tawba(9:107)