Well, the Hijri date 20 Rabi Al Awwal 1493 corresponds to the Gregorian date Thursday, 1 May 2070. This date lies in the third month of the Hijri year 1493 AH, which is Rabi Al-Awwal of 1493 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1493/03/20 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 May 2070 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rabi Al Awwal 1493 AH to its equivalent Gregorian date.
أَفَلَا يَتَدَبَّرُونَ ٱلْقُرْءَانَ ۚ وَلَوْ كَانَ مِنْ عِندِ غَيْرِ ٱللَّهِ لَوَجَدُوا۟ فِيهِ ٱخْتِلَٰفًۭا كَثِيرًۭا
Will they not then ponder on the Qur'an? If it had been from other than Allah they would have found therein much incongruity.
Surah An-Nisaa(4:82)
Sahih al-Bukhari
To make the Heart Tender (Ar-Riqaq)
Chapter: "I have been sent, and the Hour as these two"
Narrated Abu Huraira:
The Prophet (ﷺ) said, "I have been sent and the Hour (is at hand) as these two (fingers).
Sahih al-Bukhari 6505