Well, the Hijri date 27 Rajab 1405 corresponds to the Gregorian date Wednesday, 17 April 1985. This date lies in the seventh month of the Hijri year 1405 AH, which is Rajab of 1405 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1405/07/27 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 17 April 1985 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Rajab 1405 AH to its equivalent Gregorian date.
وَإِلَٰهُكُمْ إِلَٰهٌۭ وَٰحِدٌۭ ۖ لَّآ إِلَٰهَ إِلَّا هُوَ ٱلرَّحْمَٰنُ ٱلرَّحِيمُ
Your Allah is One Allah; there is no Allah save Him, the Beneficent, the Merciful.
Surah Al-Baqara(2:163)