Well, the Hijri date 9 Jumada Al Oula 1399 corresponds to the Gregorian date Friday, 6 April 1979. This date lies in the fifth month of the Hijri year 1399 AH, which is Jumada Al-Awwal of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1399/05/09 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 6 April 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 9 Jumada Al Oula 1399 AH to its equivalent Gregorian date.
وَقَالَتْ أُولَىٰهُمْ لِأُخْرَىٰهُمْ فَمَا كَانَ لَكُمْ عَلَيْنَا مِن فَضْلٍۢ فَذُوقُوا۟ ٱلْعَذَابَ بِمَا كُنتُمْ تَكْسِبُونَ
And the first of them saith unto the last of them: Ye were no whit better than us, so taste the doom for what ye used to earn.
Surah Al-A'raaf(7:39)
Sahih al-Bukhari
Khusoomaat
Chapter: If somebody sells a thing for a weak-minded person
Narrated Jabir:
A man manumitted a slave and he had no other property than that, so the Prophet (ﷺ) canceled the manumission (and sold the slave for him). Nu'aim bin Al-Nahham bought the slave from him.
Sahih al-Bukhari 2415
