Well, the Hijri date 16 Rabi Al Awwal 1404 corresponds to the Gregorian date Tuesday, 20 December 1983. This date lies in the third month of the Hijri year 1404 AH, which is Rabi Al-Awwal of 1404 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1404/03/16 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 December 1983 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Rabi Al Awwal 1404 AH to its equivalent Gregorian date.
يَٰبَنِىٓ إِسْرَٰٓءِيلَ قَدْ أَنجَيْنَٰكُم مِّنْ عَدُوِّكُمْ وَوَٰعَدْنَٰكُمْ جَانِبَ ٱلطُّورِ ٱلْأَيْمَنَ وَنَزَّلْنَا عَلَيْكُمُ ٱلْمَنَّ وَٱلسَّلْوَىٰ
O Children of Israel! We delivered you from your enemy, and we made a covenant with you on the holy mountain's side, and sent down on you the manna and the quails,
Surah Taa-Haa(20:80)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"Show forgiveness, enjoin what is good, and turn away from the foolish (i.e., don't punish them)." (V.7:199)
Narrated `Abdullah bin AzZubair:
(The Verse) "Hold to forgiveness; command what is right..." was revealed by Allah except in connection with the character of the people.
Sahih al-Bukhari 4643