Well, the Hijri date 1 Rabi Al Awwal 1400 corresponds to the Gregorian date Friday, 18 January 1980. This date lies in the third month of the Hijri year 1400 AH, which is Rabi Al-Awwal of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1400/03/01 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 18 January 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rabi Al Awwal 1400 AH to its equivalent Gregorian date.
ذَٰلِكَ بِأَنَّ ٱللَّهَ نَزَّلَ ٱلْكِتَٰبَ بِٱلْحَقِّ ۗ وَإِنَّ ٱلَّذِينَ ٱخْتَلَفُوا۟ فِى ٱلْكِتَٰبِ لَفِى شِقَاقٍۭ بَعِيدٍۢ
That is because Allah hath revealed the Scripture with the truth. Lo! those who find (a cause of) disagreement in the Scripture are in open schism.
Surah Al-Baqara(2:176)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"And why did you not, when you heard it, say: It is not right for us to speak of this..." (V.24:16)
Narrated Al-Qasim:
Ibn `Abbas asked `Aisha's permission to enter. Al-Qasim then narrated the whole Hadith (as in 277) but did not mention: "Would that I had been forgotten and out of sight."
Sahih al-Bukhari 4754
