Well, the Hijri date 1 Rajab 1492 corresponds to the Gregorian date Sunday, 18 August 2069. This date lies in the seventh month of the Hijri year 1492 AH, which is Rajab of 1492 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1492/07/01 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 18 August 2069 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rajab 1492 AH to its equivalent Gregorian date.
أَوْ تَكُونَ لَكَ جَنَّةٌۭ مِّن نَّخِيلٍۢ وَعِنَبٍۢ فَتُفَجِّرَ ٱلْأَنْهَٰرَ خِلَٰلَهَا تَفْجِيرًا
Or thou have a garden of date-palms and grapes, and cause rivers to gush forth therein abundantly;
Surah Al-Israa(17:91)