Well, the Hijri date 20 Shawwal 1413 corresponds to the Gregorian date Monday, 12 April 1993. This date lies in the tenth month of the Hijri year 1413 AH, which is Shawwal of 1413 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1413/10/20 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 12 April 1993 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Shawwal 1413 AH to its equivalent Gregorian date.
تِلْكَ ٱلْجَنَّةُ ٱلَّتِى نُورِثُ مِنْ عِبَادِنَا مَن كَانَ تَقِيًّۭا
Such is the Garden which We cause the devout among Our bondmen to inherit.
Surah Maryam(19:63)