JUNE 30 -- A leap second is added to Coordinated Universal Time (UTC).
What does LS stand for?
LS stands for Leap Second
This definition appears frequently and is found in the following Acronym Finder categories:
- Information technology (IT) and computers
See other definitions of LS
We have 94 other meanings of LS in our Acronym Attic
- Late Start
- Lateral Sulcus (human brain)
- Launch Station
- Launching System
- Lausanne Sports (Swiss soccer club)
- Lead Service
- Lead Sheet
- Leadership Studies (various locations)
- Leading Seaman
- Leading Seaman (Royal Navy)
Samples in periodicals archive:
In some cases it appears that some techies only guessed that the problem was related to the leap second because it happened to occur precisely at the moment of midnight UTC/GMT.
The matter of a simple leap second also cost travellers hours and left passengers stranded all across the country.
Other countries, though, say losing the leap second would cause a mess of its own, making noon slide gradually earlier and earlier.
Some much needed cosmic housekeeping is also performed in June with the Leap Second Adjustment Day which coordinates atomic and astronomical time.
In order for our civil time (UTC based on TAI) to keep "in step" with the changing earth rotational speed, UT1 leap seconds are added to the year from time to time to compensate for this slowing down.
The start of the International Year of Astronomy was effectively delayed by one second due to the introduction of a positive leap second at midnight on 31 December 2008.
Thanks to the Earth's erratic rotation, the countdown to 2009 lasted a moment longer as British physicists and official timekeepers around the world inserted a leap second to bring the most accurate atomic clocks in line with the astronomical day.