Well, the Hijri date 20 Rajab 1401 corresponds to the Gregorian date Sunday, 24 May 1981. This date lies in the seventh month of the Hijri year 1401 AH, which is Rajab of 1401 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1401/07/20 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 24 May 1981 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rajab 1401 AH to its equivalent Gregorian date.
يَمْحَقُ ٱللَّهُ ٱلرِّبَوٰا۟ وَيُرْبِى ٱلصَّدَقَٰتِ ۗ وَٱللَّهُ لَا يُحِبُّ كُلَّ كَفَّارٍ أَثِيمٍ
Allah hath blighted usury and made almsgiving fruitful. Allah loveth not the impious and guilty.
Surah Al-Baqara(2:276)