VersaillesClocks will drift up to an hour from the sun.
Leap seconds have crashed websites and disrupted airline booking systems, the National Physical Laboratory says.
Representatives of 69 countries voted on 15 October to replace the leap second with a leap hour, effective 20 May 2027.
Setnam Shemar of the laboratory says a leap hour is needed only in many hundreds or even thousands of years.
The meeting also asked for proposals on a new definition of the second and a lunar time standard.
How each outlet framed it
- New Scientist
- frames the abolition as a permanent 'daylight savings' drift, quoting Greenwich's time curator on the cost of a one-hour gap
Sources: New Scientist