Well, the Hijri date 19 Rabi Al Thani 1279 corresponds to the Gregorian date Monday, 13 October 1862. This date lies in the fourth month of the Hijri year 1279 AH, which is Rabi Al-Thani of 1279 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1279/04/19 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 13 October 1862 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Rabi Al Thani 1279 AH to its equivalent Gregorian date.
أَلَمْ يَعْلَمُوٓا۟ أَنَّ ٱللَّهَ هُوَ يَقْبَلُ ٱلتَّوْبَةَ عَنْ عِبَادِهِۦ وَيَأْخُذُ ٱلصَّدَقَٰتِ وَأَنَّ ٱللَّهَ هُوَ ٱلتَّوَّابُ ٱلرَّحِيمُ
Know they not that Allah is He Who accepteth repentance from His bondmen and taketh the alms, and that Allah is He Who is the Relenting, the Merciful.
Surah At-Tawba(9:104)