Well, the Hijri date 21 Shawwal 1378 corresponds to the Gregorian date Wednesday, 29 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 Wednesday without any doubt. The Arabic date 1378/10/21 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 29 April 1959 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shawwal 1378 AH to its equivalent Gregorian date.
قَالَ يَٰمُوسَىٰٓ إِنِّى ٱصْطَفَيْتُكَ عَلَى ٱلنَّاسِ بِرِسَٰلَٰتِى وَبِكَلَٰمِى فَخُذْ مَآ ءَاتَيْتُكَ وَكُن مِّنَ ٱلشَّٰكِرِينَ
He said: O Moses! I have preferred thee above mankind by My messages and by My speaking (unto thee). So hold that which I have given thee, and be among the thankful.
Surah Al-A'raaf(7:144)
Sahih al-Bukhari
Beginning of Creation
Chapter: The characteristics of Paradise, and the fact that it has already been created
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "Allah said, "I have prepared for My Pious slaves things which have never been seen by an eye, or heard by an ear, or imagined by a human being." If you wish, you can recite this Verse from the Holy Qur'an:--"No soul knows what is kept hidden for them, of joy as a reward for what they used to do." (32.17)
Sahih al-Bukhari 3244
