Well, the Hijri date 20 Shawwal 1418 corresponds to the Gregorian date Tuesday, 17 February 1998. This date lies in the tenth month of the Hijri year 1418 AH, which is Shawwal of 1418 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1418/10/20 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 17 February 1998 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Shawwal 1418 AH to its equivalent Gregorian date.
إِنِّىٓ أَنَا۠ رَبُّكَ فَٱخْلَعْ نَعْلَيْكَ ۖ إِنَّكَ بِٱلْوَادِ ٱلْمُقَدَّسِ طُوًۭى
Lo! I, even I, am thy Lord, So take off thy shoes, for lo! thou art in the holy valley of Tuwa.
Surah Taa-Haa(20:12)