Well, the Hijri date 6 Rabi Al Awwal 1421 corresponds to the Gregorian date Thursday, 8 June 2000. This date lies in the third month of the Hijri year 1421 AH, which is Rabi Al-Awwal of 1421 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1421/03/06 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 8 June 2000 to its equivalent Arabic date.
The following is the conversion of the Arabic date 6 Rabi Al Awwal 1421 AH to its equivalent Gregorian date.
هُوَ ٱلَّذِى يُحْىِۦ وَيُمِيتُ ۖ فَإِذَا قَضَىٰٓ أَمْرًۭا فَإِنَّمَا يَقُولُ لَهُۥ كُن فَيَكُونُ
He it is Who quickeneth and giveth death. When He ordaineth a thing, He saith unto it only: Be! and it is.
Surah Ghafir(40:68)
Sahih al-Bukhari
Holding Fast to the Qur'an and Sunnah
Chapter: The religious learned men should not differ
Narrated Anas bin Malik:
Allah's Messenger (ﷺ) said, "O Allah! Bestow Your Blessings on their measures, and bestow Your Blessings on their Sa' and Mudd." He meant those of the people of Medina.
Sahih al-Bukhari 7331