Well, the Hijri date 26 Jumada Al Akhira 1366 corresponds to the Gregorian date Saturday, 17 May 1947. This date lies in the sixth month of the Hijri year 1366 AH, which is Jumada Al-Thani of 1366 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1366/06/26 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 17 May 1947 to its equivalent Arabic date.
The following is the conversion of the Arabic date 26 Jumada Al Akhira 1366 AH to its equivalent Gregorian date.
قَالَا رَبَّنَا ظَلَمْنَآ أَنفُسَنَا وَإِن لَّمْ تَغْفِرْ لَنَا وَتَرْحَمْنَا لَنَكُونَنَّ مِنَ ٱلْخَٰسِرِينَ
They said: Our Lord! We have wronged ourselves. If thou forgive us not and have not mercy on us, surely we are of the lost!
Surah Al-A'raaf(7:23)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The sickness of the Prophet (saws) and his death
Narrated Aisha and Ibn `Abbas:
Abu Bakr kissed the Prophet (ﷺ) after his death.
Sahih al-Bukhari 4455, 4456, 4457