Well, the Hijri date 4 Shaban 1378 corresponds to the Gregorian date Wednesday, 11 February 1959. This date lies in the eighth month of the Hijri year 1378 AH, which is Shaban of 1378 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1378/08/04 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 11 February 1959 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Shaban 1378 AH to its equivalent Gregorian date.
نَّحْنُ أَعْلَمُ بِمَا يَقُولُونَ ۖ وَمَآ أَنتَ عَلَيْهِم بِجَبَّارٍۢ ۖ فَذَكِّرْ بِٱلْقُرْءَانِ مَن يَخَافُ وَعِيدِ
We are Best Aware of what they say, and thou (O Muhammad) art in no wise a compeller over them. But warn by the Qur'an him who feareth My threat.
Surah Qaaf(50:45)
Sahih al-Bukhari
Merits of the Helpers in Madinah (Ansaar)
Chapter: The arrival of the Prophet (saws) at Al-Madina
Narrated Al-Bara:
The first people who came to us (in Medina) were Mus`ab bin `Umar and Ibn Um Maktum. Then came to us `Ammar bin Yasir and Bilal.
Sahih al-Bukhari 3924