Well, the Hijri date 15 Shawwal 1378 corresponds to the Gregorian date Thursday, 23 April 1959. This date lies in the tenth month of the Hijri year 1378 AH, which is Shawwal of 1378 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1378/10/15 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 23 April 1959 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Shawwal 1378 AH to its equivalent Gregorian date.
وَيَضِيقُ صَدْرِى وَلَا يَنطَلِقُ لِسَانِى فَأَرْسِلْ إِلَىٰ هَٰرُونَ
And I shall be embarrassed, and my tongue will not speak plainly, therefor send for Aaron (to help me).
Surah Ash-Shu'araa(26:13)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: The covering sheets of Budn are to be given in charity
Narrated `Ali:
The Prophet (ﷺ) offered one hundred Budn as Hadi and ordered me to distribute their meat (in charity) and I did so. Then he ordered me to distribute their covering sheets in charity and I did so. Then he ordered me to distribute their skins in charity and I did so.
Sahih al-Bukhari 1718