Well, the Hijri date 14 Dhul Hijjah 1420 corresponds to the Gregorian date Monday, 20 March 2000. This date lies in the twelfth month of the Hijri year 1420 AH, which is Dhu Al-Hijjah of 1420 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1420/12/14 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 March 2000 to its equivalent Arabic date.
The following is the conversion of the Arabic date 14 Dhul Hijjah 1420 AH to its equivalent Gregorian date.
وَٱتْلُ عَلَيْهِمْ نَبَأَ ٱلَّذِىٓ ءَاتَيْنَٰهُ ءَايَٰتِنَا فَٱنسَلَخَ مِنْهَا فَأَتْبَعَهُ ٱلشَّيْطَٰنُ فَكَانَ مِنَ ٱلْغَاوِينَ
Recite unto them the tale of him to whom We gave Our revelations, but he sloughed them off, so Satan overtook him and he became of those who lead astray.
Surah Al-A'raaf(7:175)