Well, the Hijri date 12 Rabi Al Awwal 1403 corresponds to the Gregorian date Monday, 27 December 1982. This date lies in the third month of the Hijri year 1403 AH, which is Rabi Al-Awwal of 1403 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1403/03/12 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 27 December 1982 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rabi Al Awwal 1403 AH to its equivalent Gregorian date.
ٱلْأَخِلَّآءُ يَوْمَئِذٍۭ بَعْضُهُمْ لِبَعْضٍ عَدُوٌّ إِلَّا ٱلْمُتَّقِينَ
Friends on that day will be foes one to another, save those who kept their duty (to Allah).
Surah Az-Zukhruf(43:67)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The Ghazwa of Al-Khandaq or Al-Ahzab Battle
Narrated Ibn `Umar:
The first day (i.e. Ghazwa) I participated in, was the day of Al-Khandaq (i.e. Trench).
Sahih al-Bukhari 4107