Well, the Hijri date 13 Safar 1399 corresponds to the Gregorian date Thursday, 11 January 1979. This date lies in the second month of the Hijri year 1399 AH, which is Safar of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1399/02/13 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 11 January 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Safar 1399 AH to its equivalent Gregorian date.
وَلَنَبْلُوَنَّكُمْ حَتَّىٰ نَعْلَمَ ٱلْمُجَٰهِدِينَ مِنكُمْ وَٱلصَّٰبِرِينَ وَنَبْلُوَا۟ أَخْبَارَكُمْ
And verily We shall try you till We know those of you who strive hard (for the cause of Allah) and the steadfast, and till We test your record.
Surah Muhammad(47:31)
Sahih al-Bukhari
Virtues and Merits of the Prophet (pbuh) and his Companions
Chapter: The mention of the tribes of Aslam, Ghifar, Muzaina, Juhaina, and Ashja'
Narrated Abu Bakra:
Al-Aqra' bin Habis said to the Prophet (ﷺ) "Nobody gave you the pledge of allegiance but the robbers of the pilgrims (i.e. those who used to rob the pilgrims) from the tribes of Aslam, Ghifar, Muzaina." (Ibn Abi Ya'qub is in doubt whether Al-Aqra' added. 'And Juhaina.') The Prophet (ﷺ) said, "Don't you think that the tribes of Aslam, Ghifar, Muzaina (and also perhaps) Juhaina are better than the tribes of Bani Tamim, Bani Amir, Asad, and Ghatafan?" Somebody said, "They were unsuccessful and losers!" The Prophet said, "Yes, by Him in Whose Hands my life is, they (i.e. the former) are better than they (i.e. the latter).
Sahih al-Bukhari 3516
