Well, the Hijri date 27 Dhul Qidah 1399 corresponds to the Gregorian date Thursday, 18 October 1979. This date lies in the eleventh month of the Hijri year 1399 AH, which is Dhu Al-Qidah of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1399/11/27 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 18 October 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Dhul Qidah 1399 AH to its equivalent Gregorian date.
وَلِلَّهِ مُلْكُ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ ۚ وَيَوْمَ تَقُومُ ٱلسَّاعَةُ يَوْمَئِذٍۢ يَخْسَرُ ٱلْمُبْطِلُونَ
And unto Allah belongeth the Sovereignty of the heavens and the earth; and on the day when the Hour riseth, on that day those who follow falsehood will be lost.
Surah Al-Jaathiya(45:27)
Sahih al-Bukhari
Beginning of Creation
Chapter: The reference to angels
Narrated Abu Dhar:
The Prophet (ﷺ) said, "Gabriel said to me, 'Whoever amongst your followers die without having worshipped others besides Allah, will enter Paradise (or will not enter the (Hell) Fire)." The Prophet (ﷺ) asked. "Even if he has committed illegal sexual intercourse or theft?" He replied, "Even then."
Sahih al-Bukhari 3222
