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The International Earth Rotation and Reference Systems Service (IERS)
has determined that a positive Leap Second shall be introduced in the
Coordinated Universal Time (UTC) timescale at the end of the day on
2016-December-31. The positive Leap Second
"WASHINGTON, DC -- On December 31, 2016, a "leap second" will be added
to the world's
clocks at 23 hours, 59 minutes and 59 seconds Coordinated Universal Time
(UTC). This
corresponds to 6:59:59 pm Eastern Standard Time, when the extra second
will be inserted at the
U.S. Naval Observatory's
