Well, the Hijri date 20 Rajab 1457 corresponds to the Gregorian date Saturday, 22 September 2035. This date lies in the seventh month of the Hijri year 1457 AH, which is Rajab of 1457 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1457/07/20 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 22 September 2035 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rajab 1457 AH to its equivalent Gregorian date.
وَأَنْ أَقِيمُوا۟ ٱلصَّلَوٰةَ وَٱتَّقُوهُ ۚ وَهُوَ ٱلَّذِىٓ إِلَيْهِ تُحْشَرُونَ
And to establish worship and be dutiful to Him, and He it is unto Whom ye will be gathered.
Surah Al-An'aam(6:72)