Well, the Hijri date 27 Ramadan 1377 corresponds to the Gregorian date Wednesday, 16 April 1958. This date lies in the ninth month of the Hijri year 1377 AH, which is Ramadan of 1377 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1377/09/27 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 16 April 1958 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Ramadan 1377 AH to its equivalent Gregorian date.
وَيَقُولُ ٱلَّذِينَ كَفَرُوا۟ لَوْلَآ أُنزِلَ عَلَيْهِ ءَايَةٌۭ مِّن رَّبِّهِۦ ۗ قُلْ إِنَّ ٱللَّهَ يُضِلُّ مَن يَشَآءُ وَيَهْدِىٓ إِلَيْهِ مَنْ أَنَابَ
Those who disbelieve say: If only a portent were sent down upon him from his Lord! Say: Lo! Allah sendeth whom He will astray, and guideth unto Himself all who turn (unto Him),
Surah Ar-Ra'd(13:27)
Sahih al-Bukhari
Virtues of the Qur'an
Chapter: What is the proper period for reciting the whole Qur'an
Narrated Sufyan:
Ibn Shubruma said, "I wanted to see how much of the Qur'an can be enough (to recite in prayer) and I could not find a Surah containing less than three Verses, therefore I said to myself), "One ought not to recite less than three (Quranic) Verses (in prayer)."
Sahih al-Bukhari 5051