Well, the Hijri date 15 Dhul Hijjah 1378 corresponds to the Gregorian date Sunday, 21 June 1959. This date lies in the twelfth month of the Hijri year 1378 AH, which is Dhu Al-Hijjah of 1378 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1378/12/15 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 21 June 1959 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Dhul Hijjah 1378 AH to its equivalent Gregorian date.
ٱدْخُلُوٓا۟ أَبْوَٰبَ جَهَنَّمَ خَٰلِدِينَ فِيهَا ۖ فَبِئْسَ مَثْوَى ٱلْمُتَكَبِّرِينَ
Enter ye the gates of hell, to dwell therein. Evil is the habitation of the scornful.
Surah Ghafir(40:76)
Sahih al-Bukhari
Good Manners and Form (Al-Adab)
Chapter: To be patient when one is harmed
Narrated Abu Musa:
The Prophet (ﷺ) said: None is more patient than Allah against the harmful saying. He hears from the people they ascribe children to Him, yet He gives them health and (supplies them with) provision."
Sahih al-Bukhari 6099