Well, the Hijri date 20 Rajab 1417 corresponds to the Gregorian date Sunday, 1 December 1996. This date lies in the seventh month of the Hijri year 1417 AH, which is Rajab of 1417 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1417/07/20 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 1 December 1996 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rajab 1417 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ ٱتَّخَذُوا۟ ٱلْعِجْلَ سَيَنَالُهُمْ غَضَبٌۭ مِّن رَّبِّهِمْ وَذِلَّةٌۭ فِى ٱلْحَيَوٰةِ ٱلدُّنْيَا ۚ وَكَذَٰلِكَ نَجْزِى ٱلْمُفْتَرِينَ
Lo! Those who chose the calf (for worship), terror from their Lord and humiliation will come upon them in the life of the world. Thus do We requite those who invent a lie.
Surah Al-A'raaf(7:152)