Well, the Hijri date 11 Rabi Al Thani 1377 corresponds to the Gregorian date Sunday, 3 November 1957. This date lies in the fourth month of the Hijri year 1377 AH, which is Rabi Al-Thani of 1377 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1377/04/11 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 November 1957 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Rabi Al Thani 1377 AH to its equivalent Gregorian date.
فَأَكَلَا مِنْهَا فَبَدَتْ لَهُمَا سَوْءَٰتُهُمَا وَطَفِقَا يَخْصِفَانِ عَلَيْهِمَا مِن وَرَقِ ٱلْجَنَّةِ ۚ وَعَصَىٰٓ ءَادَمُ رَبَّهُۥ فَغَوَىٰ
Then they twain ate thereof, so that their shame became apparent unto them, and they began to hide by heaping on themselves some of the leaves of the Garden. And Adam disobeyed his Lord, so went astray.
Surah Taa-Haa(20:121)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: Talbiya and Takbir in the morning of the day of Nahr till the Ramy of Jamarat-al-'Aqaba
Narrated Ibn `Abbas:
The Prophet (ﷺ) made Al-Fadl ride behind him, and Al-Fadl informed that he (the Prophet (ﷺ) ) kept on reciting Talbiya till he did the Rami of the Jamra. (Jamrat-Al-`Aqaba.)
Sahih al-Bukhari 1685