| leapseconds (171424) | leapseconds (171948) |
|---|---|
| 1# @(#)leapseconds 8.3 | 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 | 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# ... 49# Date: Thu, 28 Jun 2007 14:36:55 +0200 50# Message-Id: <200706281236.l5SCatpA020400@callisto.obspm.fr> 51# ... 52# Subject: Bulletin C number 34 53# ... 54# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) 55# | 48# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) |
| 56# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE 57# 58# SERVICE DE LA ROTATION TERRESTRE 59# OBSERVATOIRE DE PARIS 60# 61, Av. de l'Observatoire 75014 PARIS (France) | 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) |
| 61# ... | 54# Tel. : 33 (0) 1 40 51 22 26 55# FAX : 33 (0) 1 40 51 22 91 56# Internet : services.iers@obspm.fr |
| 62# | 57# |
| 63# Paris, 28 June 2007 64# Bulletin C 34 65# To authorities responsible 66# for the measurement and 67# distribution of time | 58# Paris, 28 June 2007 |
| 68# | 59# |
| 69# INFORMATION ON UTC - TAI | 60# Bulletin C 34 |
| 70# | 61# |
| 62# To authorities responsible 63# for the measurement and 64# distribution of time 65# 66# INFORMATION ON UTC - TAI 67# |
|
| 71# NO positive leap second will be introduced at the end of December 2007. 72# The difference between Coordinated Universal Time UTC and the | 68# NO positive leap second will be introduced at the end of December 2007. 69# The difference between Coordinated Universal Time UTC and the |
| 73# International Atomic Time TAI is: 74# from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s 75# Leap seconds can be introduced in UTC at the end of the months of 76# December or June, depending on the evolution of UT1-TAI. Bulletin C is 77# mailed every six months, either to announce a time step in UTC, or to 78# confirm that there will be no time step at the next possible date. | 70# International Atomic Time TAI is : |
| 79# | 71# |
| 80# Daniel GAMBIS 81# Director 82# Earth Orientation Center of IERS 83# Observatoire de Paris, France | 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 |