Well, the Hijri date 20 Jumada Al Oula 1421 corresponds to the Gregorian date Sunday, 20 August 2000. This date lies in the fifth month of the Hijri year 1421 AH, which is Jumada Al-Awwal of 1421 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1421/05/20 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 20 August 2000 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Jumada Al Oula 1421 AH to its equivalent Gregorian date.
وَيَقُولُ ٱلَّذِينَ ءَامَنُوٓا۟ أَهَٰٓؤُلَآءِ ٱلَّذِينَ أَقْسَمُوا۟ بِٱللَّهِ جَهْدَ أَيْمَٰنِهِمْ ۙ إِنَّهُمْ لَمَعَكُمْ ۚ حَبِطَتْ أَعْمَٰلُهُمْ فَأَصْبَحُوا۟ خَٰسِرِينَ
Then will the believers say (unto the people of the Scripture): are these they who swore by Allah their most binding oaths that they were surely with you? Their works have failed, and they have become the losers.
Surah Al-Maaida(5:53)
Sahih al-Bukhari
Good Manners and Form (Al-Adab)
Chapter: "And if you do not feel ashamed, then do whatever you like."
Narrated Abu Mas`ud:
The Prophet (ﷺ) said, 'One of the sayings of the early Prophets which the people have got is: If you don't feel ashamed (from Haya': pious shyness from committing religeous indiscretions) do whatever you like." (See Hadith No 690, 691, Vol 4)
Sahih al-Bukhari 6120