Well, the Hijri date 19 Rabi Al Thani 1405 corresponds to the Gregorian date Thursday, 10 January 1985. This date lies in the fourth month of the Hijri year 1405 AH, which is Rabi Al-Thani of 1405 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1405/04/19 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 10 January 1985 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Rabi Al Thani 1405 AH to its equivalent Gregorian date.
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ ٱتَّقُوا۟ ٱللَّهَ حَقَّ تُقَاتِهِۦ وَلَا تَمُوتُنَّ إِلَّا وَأَنتُم مُّسْلِمُونَ
O ye who believe! Observe your duty to Allah with right observance, and die not save as those who have surrendered (unto Him)
Surah Aal-i-Imraan(3:102)