Well, the Hijri date 15 Rabi Al Awwal 1366 corresponds to the Gregorian date Thursday, 6 February 1947. This date lies in the third month of the Hijri year 1366 AH, which is Rabi Al-Awwal of 1366 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1366/03/15 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 February 1947 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Rabi Al Awwal 1366 AH to its equivalent Gregorian date.
وَلَقَدْ صَرَّفْنَا لِلنَّاسِ فِى هَٰذَا ٱلْقُرْءَانِ مِن كُلِّ مَثَلٍۢ فَأَبَىٰٓ أَكْثَرُ ٱلنَّاسِ إِلَّا كُفُورًۭا
And verily We have displayed for mankind in this Qur'an all kind of similitudes, but most of mankind refuse aught save disbelief.
Surah Al-Israa(17:89)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The Ghazwa of Al-Hudaibiya
Narrated Qatada:
I said to Sa`id bin Al-Musaiyab, "I have been informed that Jabir bin `Abdullah said that the number (of Al-Hudaibiya Muslim warriors) was 1400." Sa`id said to me, "Jabir narrated to me that they were 1500 who gave the Pledge of allegiance to the Prophet (ﷺ) on the day of Al-Hudaibiya.'
Sahih al-Bukhari 4153