Well, the Hijri date 1 Safar 1400 corresponds to the Gregorian date Thursday, 20 December 1979. This date lies in the second month of the Hijri year 1400 AH, which is Safar of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1400/02/01 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 20 December 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Safar 1400 AH to its equivalent Gregorian date.
وَلَقَدْ جَآءَتْ رُسُلُنَآ إِبْرَٰهِيمَ بِٱلْبُشْرَىٰ قَالُوا۟ سَلَٰمًۭا ۖ قَالَ سَلَٰمٌۭ ۖ فَمَا لَبِثَ أَن جَآءَ بِعِجْلٍ حَنِيذٍۢ
And Our messengers cam unto Abraham with good news. They said: Peace! He answered: Peace! and delayed not to bring a roasted calf.
Surah Hud(11:69)
Sahih al-Bukhari
Sales and Trade
Chapter: The sale of fruits before their benefit is evident
Narrated `Abdullah bin `Umar:
Allah's Messenger (ﷺ) forbade the sale of fruits till their benefit is evident. He forbade both the seller and the buyer (such sale).
Sahih al-Bukhari 2194