Well, the Hijri date 6 Dhul Hijjah 1400 corresponds to the Gregorian date Wednesday, 15 October 1980. This date lies in the twelfth month of the Hijri year 1400 AH, which is Dhu Al-Hijjah of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1400/12/06 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 15 October 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 6 Dhul Hijjah 1400 AH to its equivalent Gregorian date.
رَبَّنَا ٱغْفِرْ لِى وَلِوَٰلِدَىَّ وَلِلْمُؤْمِنِينَ يَوْمَ يَقُومُ ٱلْحِسَابُ
Our Lord! Forgive me and my parents and believers on the day when the account is cast.
Surah Ibrahim(14:41)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
The Statement of Allah the Exalted: "Verily, Allah! With Him (Alone) is the knowledge of the Hour..." (V.31:34)
Narrated `Abdullah bin `Umar:
The Prophet (ﷺ) said, "The keys of the Unseen are five." And then he recited: 'Verily, the knowledge of the Hour is with Allah (alone).' (31.34)
Sahih al-Bukhari 4778