Leap second granted extra time : Nature News & Comment
Image via Wikipedia Leap second granted extra time : Nature News & Comment : "Since 1972, international time zones have been defined against Coordinated Universal Time (UTC), which is based on signals averaged from around 400 atomic clocks . Leap seconds are added in at a rate of about one minute every 60-90 years. But nations disagree about whether the second is actually needed" .. .ero . Related articles Leap Seconds (mhasegawa.com)