1# <pre> |
2# @(#)leapseconds 8.13 |
3# This file is in the public domain, so clarified as of 4# 2009-05-17 by Arthur David Olson. 5 6# Allowance for leapseconds added to each timezone file. 7 8# The International Earth Rotation Service periodically uses leap seconds 9# to keep UTC to within 0.9 s of UT1 10# (which measures the true angular orientation of the earth in space); see --- 32 unchanged lines hidden (view full) --- 43Leap 1992 Jun 30 23:59:60 + S 44Leap 1993 Jun 30 23:59:60 + S 45Leap 1994 Jun 30 23:59:60 + S 46Leap 1995 Dec 31 23:59:60 + S 47Leap 1997 Jun 30 23:59:60 + S 48Leap 1998 Dec 31 23:59:60 + S 49Leap 2005 Dec 31 23:59:60 + S 50Leap 2008 Dec 31 23:59:60 + S |
51Leap 2012 Jun 30 23:59:60 + S |
52 53# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) 54# 55# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE 56# |
57# |
58# SERVICE DE LA ROTATION TERRESTRE 59# OBSERVATOIRE DE PARIS 60# 61, Av. de l'Observatoire 75014 PARIS (France) |
61# Tel. : 33 (0) 1 40 51 22 26 |
62# FAX : 33 (0) 1 40 51 22 91 |
63# e-mail : (E-Mail Removed) 64# http://hpiers.obspm.fr/eop-pc |
65# |
66# Paris, 5 January 2012 |
67# |
68# |
69# Bulletin C 43 70# |
71# To authorities responsible 72# for the measurement and 73# distribution of time 74# |
75# |
76# UTC TIME STEP 77# on the 1st of July 2012 |
78# |
79# |
80# A positive leap second will be introduced at the end of June 2012. 81# The sequence of dates of the UTC second markers will be: 82# 83# 2012 June 30, 23h 59m 59s 84# 2012 June 30, 23h 59m 60s 85# 2012 July 1, 0h 0m 0s 86# 87# The difference between UTC and the International Atomic Time TAI is: 88# 89# from 2009 January 1, 0h UTC, to 2012 July 1 0h UTC : UTC-TAI = - 34s 90# from 2012 July 1, 0h UTC, until further notice : UTC-TAI = - 35s 91# |
92# Leap seconds can be introduced in UTC at the end of the months of December |
93# or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every 94# six months, either to announce a time step in UTC or to confirm that there |
95# will be no time step at the next possible date. 96# |
97# |
98# Daniel GAMBIS |
99# Head 100# Earth Orientation Center of IERS |
101# Observatoire de Paris, France |