Well, the Hijri date 21 Rabi Al Awwal 1399 corresponds to the Gregorian date Sunday, 18 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 Sunday without any doubt. The Arabic date 1399/03/21 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 February 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Awwal 1399 AH to its equivalent Gregorian date.
وَإِنَّهُۥ لَتَذْكِرَةٌۭ لِّلْمُتَّقِينَ
And lo! it is a warrant unto those who ward off (evil).
Surah Al-Haaqqa(69:48)
Sahih al-Bukhari
Times of the Prayers
Chapter: Whoever got (or was able to offer) only one Rak'a of the 'Asr prayer before sunset
Narrated Salim bin `Abdullah:
My father said, "I heard Allah's Messenger (ﷺ) saying, 'The period of your stay as compared to the previous nations is like the period equal to the time between the `Asr prayer and sunset. The people of the Torah were given the Torah and they acted (upon it) till midday then they were exhausted and were given one Qirat (of gold) each. And then the people of the Gospel were given the Gospel and they acted (upon it) till the `Asr prayer then they were exhausted and were! given one Qirat each. And then we were given the Qur'an and we acted (upon it) till sunset and we were given two Qirats each. On that the people of both the scriptures said, 'O our Lord! You have given them two Qirats and given us one Qirat, though we have worked more than they.' Allah said, 'Have I usurped some of your right?' They said, 'No.' Allah said: "That is my blessing I bestow upon whomsoever I wish."
Sahih al-Bukhari 557
