Well, the Hijri date 22 Rajab 1378 corresponds to the Gregorian date Saturday, 31 January 1959. This date lies in the seventh month of the Hijri year 1378 AH, which is Rajab of 1378 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1378/07/22 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 31 January 1959 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Rajab 1378 AH to its equivalent Gregorian date.
بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ لَآ أُقْسِمُ بِهَٰذَا ٱلْبَلَدِ
Nay, I swear by this city -
Surah Al-Balad(90:1)
Sahih al-Bukhari
Merits of the Helpers in Madinah (Ansaar)
Chapter: The emigration of the Prophet (saws) to Al-Madina
Narrated Anas:
(the servant of the Prophet) When the Prophet (ﷺ) arrived (at Medina), there was not a single companion of the Prophet (ﷺ) who had grey and black hair except Abu Bakr, and he dyed his hair with Henna' and Katam (i.e. plants used for dying hair).
Sahih al-Bukhari 3919