Yes, the 21st century officially began about 9 years ago (there was a huge debate at the time over the exact demarkation point, whether it was Janury 1, 2000, or January 1, 2001, but in either case...
because year 1 to 99 was the first, so it still counts as a century .(by the way, if you don't know, a century is 100 years.) take out the last 2 digits in the year you're in and add 1, and that's...