Everyone has an opinion about whether or not 12:01AM on January 1st, 2000 is the beginning of the Third Millennium. The sight of the big 2 preceeding the goose eggs and the ballyhoo surrounding the Y2K computer glitches has everyone excited. Astute observers agree that next year (2001) marks the rollover. Here are some sites that explain why, as usual, zero is at the root of this minor argument. Yes, your first birthday occurred after you already had a year’s worth of days completed. Yes, your first wedding anniversary marks the end of the first year of wedded bliss and the beginning of the second.
After you go to one of the following links, the only way you can get back here is by using the “Back” button on your browser. If you want to get back here, be sure to bookmark this page before you take off to link-land.
Greenwich 2000 — General introduction to the millennium counting problem
U. S. Naval Observatory — The U. S. hard line on dating the millennium
Calendars — Introduction to various calendars