Well, the Hijri date 21 Rabi Al Thani 1442 corresponds to the Gregorian date Sunday, 6 December 2020. This date lies in the fourth month of the Hijri year 1442 AH, which is Rabi Al-Thani of 1442 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1442/04/21 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 6 December 2020 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Thani 1442 AH to its equivalent Gregorian date.
فَأَسْقِطْ عَلَيْنَا كِسَفًۭا مِّنَ ٱلسَّمَآءِ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ
Then make fragments of the heaven fall upon us, if thou art of the truthful.
Surah Ash-Shu'araa(26:187)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"Verily! The worst of (moving) living creatures with Allah are the deaf and the dumb, those who understand not (i.e., the disbelievers) ." (V.8:22)
Narrated Ibn `Abbas:
Regarding the Verse: "Verily! The worst of beasts in the Sight of Allah are the deaf and the dumb---- those who understand not." (8.22) (The people referred to here) were some persons from the tribe of Bani `Abd-Addar.
Sahih al-Bukhari 4646