1# @(#)leapseconds 8.4 |
2 3# Allowance for leapseconds added to each timezone file. 4 5# The International Earth Rotation Service periodically uses leap seconds 6# to keep UTC to within 0.9 s of UT1 7# (which measures the true angular orientation of the earth in space); see 8# Terry J Quinn, The BIPM and the accurate measure of time, 9# Proc IEEE 79, 7 (July 1991), 894-905. --- 30 unchanged lines hidden (view full) --- 40Leap 1992 Jun 30 23:59:60 + S 41Leap 1993 Jun 30 23:59:60 + S 42Leap 1994 Jun 30 23:59:60 + S 43Leap 1995 Dec 31 23:59:60 + S 44Leap 1997 Jun 30 23:59:60 + S 45Leap 1998 Dec 31 23:59:60 + S 46Leap 2005 Dec 31 23:59:60 + S 47 |
48# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) |
49# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE 50# 51# SERVICE DE LA ROTATION TERRESTRE 52# OBSERVATOIRE DE PARIS 53# 61, Av. de l'Observatoire 75014 PARIS (France) |
54# Tel. : 33 (0) 1 40 51 22 26 55# FAX : 33 (0) 1 40 51 22 91 56# Internet : services.iers@obspm.fr |
57# |
58# Paris, 28 June 2007 |
59# |
60# Bulletin C 34 |
61# |
62# To authorities responsible 63# for the measurement and 64# distribution of time 65# 66# INFORMATION ON UTC - TAI 67# |
68# NO positive leap second will be introduced at the end of December 2007. 69# The difference between Coordinated Universal Time UTC and the |
70# International Atomic Time TAI is : |
71# |
72# from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s 73# 74# Leap seconds can be introduced in UTC at the end of the months of December 75# or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every 76# six months, either to announce a time step in UTC, or to confirm that there 77# will be no time step at the next possible date. 78# 79# Daniel GAMBIS 80# Director 81# Earth Orientation Center of IERS 82# Observatoire de Paris, France |