---
title: "Paris, 5 January 2012"
date: "2012-06-30T09:40:00"
tags:
  - "facebook"
---

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