Well, the Hijri date 13 Dhul Qidah 1378 corresponds to the Gregorian date Wednesday, 20 May 1959. This date lies in the eleventh month of the Hijri year 1378 AH, which is Dhu Al-Qidah of 1378 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1378/11/13 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 20 May 1959 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Dhul Qidah 1378 AH to its equivalent Gregorian date.
وَٱلَّذِينَ ءَامَنُوا۟ وَعَمِلُوا۟ ٱلصَّٰلِحَٰتِ لَنُكَفِّرَنَّ عَنْهُمْ سَيِّـَٔاتِهِمْ وَلَنَجْزِيَنَّهُمْ أَحْسَنَ ٱلَّذِى كَانُوا۟ يَعْمَلُونَ
And as for those who believe and do good works, We shall remit from them their evil deeds and shall repay them the best that they did.
Surah Al-Ankaboot(29:7)
