Well, the Hijri date 25 Rabi Al Awwal 1399 corresponds to the Gregorian date Thursday, 22 February 1979. This date lies in the third month of the Hijri year 1399 AH, which is Rabi Al-Awwal of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1399/03/25 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 22 February 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Rabi Al Awwal 1399 AH to its equivalent Gregorian date.
وَمَا ٱلْحَيَوٰةُ ٱلدُّنْيَآ إِلَّا لَعِبٌۭ وَلَهْوٌۭ ۖ وَلَلدَّارُ ٱلْءَاخِرَةُ خَيْرٌۭ لِّلَّذِينَ يَتَّقُونَ ۗ أَفَلَا تَعْقِلُونَ
Naught is the life of the world save a pastime and a sport. Better far is the abode of the Hereafter for those who keep their duty (to Allah). Have ye then no sense?
Surah Al-An'aam(6:32)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"Have you then considered Al-Lat and AI-'Uzza? (1) " (V.53:19) (1) :(Ch. 2) Lat and 'Uzza were two idols worshipped by the pagan Arabs during the Pre-Islamic Period of Ignorance.
Narrated Ibn `Abbas:
(regarding His Statement about the Lat and the `Uzza: Lat was originally a man who used to mix Sawiq for the pilgrim.
Sahih al-Bukhari 4859