Well, the Hijri date 27 Rabi Al Thani 1384 corresponds to the Gregorian date Thursday, 3 September 1964. This date lies in the fourth month of the Hijri year 1384 AH, which is Rabi Al-Thani of 1384 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1384/04/27 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 3 September 1964 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Rabi Al Thani 1384 AH to its equivalent Gregorian date.
وَقَٰتِلُوهُمْ حَتَّىٰ لَا تَكُونَ فِتْنَةٌۭ وَيَكُونَ ٱلدِّينُ كُلُّهُۥ لِلَّهِ ۚ فَإِنِ ٱنتَهَوْا۟ فَإِنَّ ٱللَّهَ بِمَا يَعْمَلُونَ بَصِيرٌۭ
And fight them until persecution is no more, and religion is all for Allah. But if they cease, then lo! Allah is Seer of what they do.
Surah Al-Anfaal(8:39)
Sahih al-Bukhari
Virtues of Prayer at Masjid Makkah and Madinah
Chapter: The superiority of the place between the pulpit and the grave (of the Prophet (pbuh))
Narrated `Abdullah bin Zaid Al-Mazini:
Allah's Messenger (ﷺ) said, "Between my house and the pulpit there is a garden of the gardens of Paradise."
Sahih al-Bukhari 1195