Well, the Hijri date 16 Rabi Al Thani 1404 corresponds to the Gregorian date Thursday, 19 January 1984. This date lies in the fourth month of the Hijri year 1404 AH, which is Rabi Al-Thani of 1404 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1404/04/16 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 19 January 1984 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Rabi Al Thani 1404 AH to its equivalent Gregorian date.
وَمَا تَنقِمُ مِنَّآ إِلَّآ أَنْ ءَامَنَّا بِـَٔايَٰتِ رَبِّنَا لَمَّا جَآءَتْنَا ۚ رَبَّنَآ أَفْرِغْ عَلَيْنَا صَبْرًۭا وَتَوَفَّنَا مُسْلِمِينَ
Thou takest vengeance on us only forasmuch as we believed the tokens of our Lord when they came unto us. Our Lord! Vouchsafe unto us steadfastness and make us die as men who have surrendered (unto Thee).
Surah Al-A'raaf(7:126)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"Say: He has power to send torment on you from above..." (V.6:65)
Narrated Jabir:
When this Verse was revealed: "Say: He has power to send torment on you from above." (6.65) Allah's Messenger (ﷺ) said, "O Allah! I seek refuge with Your Face (from this punishment)." And when the verse: "or send torment from below your feet," (was revealed), Allah's Messenger (ﷺ) said, "(O Allah!) I seek refuge with Your Face (from this punishment)." (But when there was revealed): "Or confuse you in party strife and make you to taste the violence of one another." (6.65) Allah's Messenger (ﷺ) said, "This is lighter (or, this is easier).
Sahih al-Bukhari 4628