Well, the Hijri date 14 Jumada Al Oula 1366 corresponds to the Gregorian date Saturday, 5 April 1947. This date lies in the fifth month of the Hijri year 1366 AH, which is Jumada Al-Awwal of 1366 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1366/05/14 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 5 April 1947 to its equivalent Arabic date.
The following is the conversion of the Arabic date 14 Jumada Al Oula 1366 AH to its equivalent Gregorian date.
وَٱلَّذِينَ يُمَسِّكُونَ بِٱلْكِتَٰبِ وَأَقَامُوا۟ ٱلصَّلَوٰةَ إِنَّا لَا نُضِيعُ أَجْرَ ٱلْمُصْلِحِينَ
And as for those who make (men) keep the Scripture, and establish worship - lo! We squander not the wages of reformers.
Surah Al-A'raaf(7:170)
Sahih al-Bukhari
Virtues and Merits of the Prophet (pbuh) and his Companions
Chapter: The mention of the Qahtan tribe
Narrated Abu Hurairah (ra):
The Prophet (ﷺ) said, "The hour will not be established unless a man from the tribe of Qahtan appears, driving the people with his stick (ruling them with violence and oppression)."
Sahih al-Bukhari 3517