Well, the Hijri date 18 Rajab 1377 corresponds to the Gregorian date Thursday, 6 February 1958. This date lies in the seventh month of the Hijri year 1377 AH, which is Rajab of 1377 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1377/07/18 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 6 February 1958 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Rajab 1377 AH to its equivalent Gregorian date.
بَلْ تُؤْثِرُونَ ٱلْحَيَوٰةَ ٱلدُّنْيَا
But ye prefer the life of the world
Surah Al-A'laa(87:16)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
Allah's Statement: "...No change let there be in Khalq-illāh (i.e., the religion of Allāh - Islamic Monotheism)..." (V.30:30)
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "No child is born except on Al-Fitra (Islam) and then his parents make him Jewish, Christian or Magian, as an animal produces a perfect young animal: do you see any part of its body amputated?" Then he rec 'The religion of pure Islamic Faith (Hanifa),(i.e. to worship none but Allah), The pure Allah's Islamic nature with which He (Allah) has created mankind. Let There be no change in Allah's religion (i.e. to join none in Allah's worship). That is the straight religion; but most of men know not..." (30.30)
Sahih al-Bukhari 4775