<P> The 21st century is the current century of the Anno Domini era , in accordance with the Gregorian calendar . It began on January 1 , 2001 and will end on December 31 , 2100 . It is the first century of the 3rd millennium . It is distinct from the century known as the 2000s which began on January 1 , 2000 and will end on December 31 , 2099 . </P>
<P> The 21st century is the current century of the Anno Domini era , in accordance with the Gregorian calendar . It began on January 1 , 2001 and will end on December 31 , 2100 . It is the first century of the 3rd millennium . It is distinct from the century known as the 2000s which began on January 1 , 2000 and will end on December 31 , 2099 . </P>
when did the 21st century start and when will it end
when did the 21st century start and when will it end
December 31 , 2100
December 31 , 2100