Leap Second Added to 2008

To help keep atomic clocks accurate, an extra second will tick by at 23:59:59 GMT on 31 December 2008. It will be the 24th use of a leap second since 1972. Leap seconds "help match clocks to the Earth's slowing spin on its axis."

The following was copied from USNO.Navy.mil.

   "The last leap second was introduced in UTC at the end of 
    December 2005.  There WILL be a another positive leap second 
    introduced in UTC on 31 December 2008."

                   31 DEC 2008 23 HOURS 59 MINUTES 59 SECONDS
                   31 DEC 2008 23 HOURS 59 MINUTES 60 SECONDS
                   01 JAN 2009 00 HOURS 00 MINUTES 00 SECONDS
  1. The year 2008 lasted for a duration of 366 days, or a total of _________________+1 seconds.

  2. On average, a leap second has been used once every ______________ months(s).

  3. 1 second = _______________________ nanoseconds

External Hyperlink(s)

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 28 December 2008

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 United States License.