Lap seconds are inserted at the end of 2016, and it will be born at 23:59:60 on December 31


On 31 December 2016Leap second (leap second)It is an international organization that makes world time decisions to insert "23: 59: 60 seconds"International Earth rotation / reference business(IERS) announced.


Time for more 2016: leap second will be added to year's end | New Scientist

Leap second is the currentCoordinated Universal Time(UTC) and based on the rotation of the earthWorld timeThe time to be added / deleted to adjust the gap between Twenty-six adjustment work by adding 1 second has been done by 2015, and problems such as bugs occurred on the Internet when inserting in 2012 occurred.

This time, 1 second will be added after 23:59:59 on December 31, 2016 in UTC, in Japan time it will be leaped after 8:59:59 in the morning of January 1, 2017 One second as second is inserted.

By[email protected]

The state of the leap second when inserted in 2015 can be read from the following article.

A field report that witnessed at the Akashi Municipal Astronomy Science Museum the very moment of inserting the leap second "8:59:60" - GIGAZINE

Lap seconds are inserted at the end of June or the end of December every time, and insertion is announced half a year ago. In recent years, concerns about the occurrence of bugs in computer systems have been raised as "leap seconds should be abolished", but the system of astronomical observation and antenna control has a 1 second error between Coordinated Universal Time and World Time Because it is made on the premise that it does not exceed, arguments have reached a parallel line as it is possible that unexpected troubles may occur when the premise disappears and it is necessary to remodel the equipment considerably. As of 2012, "It is said that the conclusion will be delayed until 2015 when the next leap second is needed", but in November 2015 "The conclusion is that of 2023World Radio Communication ConferenceIt is concluded that "I will see you off".

◆ July 8, 2016 (Fri) 16:45 Postscript:
I announced that the National Institute of Information and Communications Technology (NICT) will insert "8:59:60" between 8:59:59 am on January 1, 2017 (Sunday) and 9:00:00 in the morning. It is from the year 2009 that adjustment of leap second will be carried out on New Year's Day.

Press release | Notice of insertion of "leap second" | NICT - Information and Telecommunications Research Institute

in Science, Posted by logq_fa