Well, the Hijri date 16 Ramadan 1421 corresponds to the Gregorian date Tuesday, 12 December 2000. This date lies in the ninth month of the Hijri year 1421 AH, which is Ramadan of 1421 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1421/09/16 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 December 2000 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Ramadan 1421 AH to its equivalent Gregorian date.
لَا يَذُوقُونَ فِيهَا ٱلْمَوْتَ إِلَّا ٱلْمَوْتَةَ ٱلْأُولَىٰ ۖ وَوَقَىٰهُمْ عَذَابَ ٱلْجَحِيمِ
They taste not death therein, save the first death. And He hath saved them from the doom of hell,
Surah Ad-Dukhaan(44:56)