Well, the Hijri date 3 Dhul Hijjah 1400 corresponds to the Gregorian date Sunday, 12 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 Sunday without any doubt. The Arabic date 1400/12/03 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 12 October 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 3 Dhul Hijjah 1400 AH to its equivalent Gregorian date.
قَالَ ٱهْبِطُوا۟ بَعْضُكُمْ لِبَعْضٍ عَدُوٌّۭ ۖ وَلَكُمْ فِى ٱلْأَرْضِ مُسْتَقَرٌّۭ وَمَتَٰعٌ إِلَىٰ حِينٍۢ
He said: Go down (from hence), one of you a foe unto the other. There will be for you on earth a habitation and provision for a while.
Surah Al-A'raaf(7:24)
Sahih al-Bukhari
Oaths and Vows
Chapter: Al-Ghamus oath
Narrated `Abdullah bin `Amr:
The Prophet (ﷺ) said, "The biggest sins are: To join others in worship with Allah; to be undutiful to one's parents; to kill somebody unlawfully; and to take an oath Al-Ghamus.
Sahih al-Bukhari 6675