Paris, 5 January 2012
Bulletin C 43
To authorities responsible
for the measurement and distribution of time

UTC TIME STEP
on the 1st of July 2012

A positive leap second will be introduced at the end of June 2012.
The sequence of dates of the UTC second markers will be:

2012 June 30, 23h 59m 59s
2012 June 30, 23h 59m 60s
2012 July 1, 0h 0m 0s