Well, the Hijri date 21 Rajab 1377 corresponds to the Gregorian date Sunday, 9 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 Sunday without any doubt. The Arabic date 1377/07/21 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 9 February 1958 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rajab 1377 AH to its equivalent Gregorian date.
وُجُوهٌۭ يَوْمَئِذٍۢ مُّسْفِرَةٌۭ
On that day faces will be bright as dawn,
Surah Abasa(80:38)
Sahih al-Bukhari
Times of the Prayers
Chapter: Whoever got (or was able to offer) one Rak'a of a prayer (in time)
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "Whoever could get one rak`a of a prayer, (in its proper time) he has got the prayer."
Sahih al-Bukhari 580