Well, the Hijri date 11 Jumada Al Oula 1415 corresponds to the Gregorian date Sunday, 16 October 1994. This date lies in the fifth month of the Hijri year 1415 AH, which is Jumada Al-Awwal of 1415 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1415/05/11 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 16 October 1994 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Jumada Al Oula 1415 AH to its equivalent Gregorian date.
وَمَنْ أَضَلُّ مِمَّن يَدْعُوا۟ مِن دُونِ ٱللَّهِ مَن لَّا يَسْتَجِيبُ لَهُۥٓ إِلَىٰ يَوْمِ ٱلْقِيَٰمَةِ وَهُمْ عَن دُعَآئِهِمْ غَٰفِلُونَ
And who is further astray than those who, instead of Allah, pray unto such as hear not their prayer until the Day of Resurrection, and are unconscious of their prayer,
Surah Al-Ahqaf(46:5)