Down to matching sites. Monday lasts 48 hours.
Site is a front-end to U.S. government atomic clocks.
A categorized collection of calendar related sites. Gives the current time as the percentage of the day that has elapsed thus far. A table of time difference between the USA's time zones and the rest of the world. A response to a VMS problem report giving a detailed explanation of why 2000 is a leap year. A humorous approach towards explaining the nature of leap years, in particular why 2000 is a leap year.