Well, the Hijri date 13 Jumada Al Oula 1387 corresponds to the Gregorian date Saturday, 19 August 1967. This date lies in the fifth month of the Hijri year 1387 AH, which is Jumada Al-Awwal of 1387 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1387/05/13 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 19 August 1967 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Jumada Al Oula 1387 AH to its equivalent Gregorian date.
وَكَيْفَ تَصْبِرُ عَلَىٰ مَا لَمْ تُحِطْ بِهِۦ خُبْرًۭا
How canst thou bear with that whereof thou canst not compass any knowledge?
Surah Al-Kahf(18:68)