Leap second will be added in 2017 in Vietnam, while the US and Western countries welcomed this moment while still in 2016.
At the time of 6h59’59 “dated 01/01/2017 (Hanoi time), clocks in Vietnam will” stop “for a second before moving on to 7:00. According to the Straits Times, this is because of a leap second. Earth does not rotate in a steady pace, it’s time to complete one revolution around themselves and a second 24 hours, instead of 24 o’clock. For the time on the clock still coincides with the movement of the Earth, especially to the astronomers observed correctly, it adds a leap second as needed.
Unlike leap years, leap seconds are added at the same time all over the world, and this time at the last second of the day 31.12.2016 under Coordinated Universal Time (UTC). So in Vietnam, leap seconds are added after 6h49’59 “the morning of 01/01/2017. Meanwhile, in the West (and all places where UTC time zone), this leap second would fall in 2016.
Upcoming leap seconds are announced by Service Cycle spinning Earth and the International Reference System (IERS, based in Germany). Since 1972 to date, leap second occurred 26 times, most recently on April 30.6.2015. The Washington Post said that because the computer can not handle the one minute 61 seconds, Google will create some “were shaded time” and enable applications such as Gmail, YouTube and Google continue to operate as expected often.
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