Well, the Hijri date 17 Jumada Al Akhira 1399 corresponds to the Gregorian date Sunday, 13 May 1979. This date lies in the sixth month of the Hijri year 1399 AH, which is Jumada Al-Thani of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1399/06/17 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 13 May 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Jumada Al Akhira 1399 AH to its equivalent Gregorian date.
وَلَئِنْ أَطَعْتُم بَشَرًۭا مِّثْلَكُمْ إِنَّكُمْ إِذًۭا لَّخَٰسِرُونَ
If ye were to obey a mortal like yourselves, then, lo! ye surely would be losers.
Surah Al-Muminoon(23:34)
Sahih al-Bukhari
Times of the Prayers
Chapter: Whoever did not dislike to offer optional prayers except after the compulsory prayers of 'Asr and Fajr only
Narrated Ibn `Umar:
I pray as I saw my companions praying. I do not forbid praying at any time during the day or night except at sunset and sunrise.
Sahih al-Bukhari 589