Well, the Hijri date 13 Dhul Hijjah 1375 corresponds to the Gregorian date Saturday, 21 July 1956. This date lies in the twelfth month of the Hijri year 1375 AH, which is Dhu Al-Hijjah of 1375 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1375/12/13 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 21 July 1956 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Dhul Hijjah 1375 AH to its equivalent Gregorian date.
قَيِّمًۭا لِّيُنذِرَ بَأْسًۭا شَدِيدًۭا مِّن لَّدُنْهُ وَيُبَشِّرَ ٱلْمُؤْمِنِينَ ٱلَّذِينَ يَعْمَلُونَ ٱلصَّٰلِحَٰتِ أَنَّ لَهُمْ أَجْرًا حَسَنًۭا
(But hath made it) straight, to give warning of stern punishment from Him, and to bring unto the believers who do good works the news that theirs will be a fair reward,
Surah Al-Kahf(18:2)