Imagine a future in which you always know the date of baseball's opening day. Or that your birthday is always on a Tuesday (sorry). Or that New Year's Eve is always on a Saturday.
As the people of the world prepare to hang their 2012 calendars, two professors at Johns Hopkins University are proposing one you can keep forever, as each date falls on the same day of the week as it did the year before.
Christmas might always be celebrated on a Sunday, for instance, and Memorial Day Monday could always be on May 28.
Astrophysicist Richard Conn Henry and applied economist Steve Hanke devised the new calendar after years of research and planning. They say their calendar would make it easy to plan annual activities, from holidays to academic schedules to financial calculations.