| leapseconds (166422) | leapseconds (169811) |
|---|---|
| 1# @(#)leapseconds 8.1 | 1# @(#)leapseconds 8.3 |
| 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# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) | 48# ... 49# Sent: Thursday, February 01, 2007 9:49 AM 50# ... 51# Subject: Bulletin C number 33 |
| 49# | 52# |
| 53# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) 54# |
|
| 50# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE 51# 52# SERVICE DE LA ROTATION TERRESTRE 53# OBSERVATOIRE DE PARIS 54# 61, Av. de l'Observatoire 75014 PARIS (France) | 55# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE 56# 57# SERVICE DE LA ROTATION TERRESTRE 58# OBSERVATOIRE DE PARIS 59# 61, Av. de l'Observatoire 75014 PARIS (France) |
| 55# Tel. : 33 (0) 1 40 51 22 26 56# FAX : 33 (0) 1 40 51 22 91 57# Internet : services.iers@obspm.fr | 60# ... |
| 58# | 61# |
| 59# Paris, 1 February 2007 | 62# Paris, 1 February 2007 63# Bulletin C 33 64# To authorities responsible 65# for the measurement and 66# distribution of time |
| 60# | 67# |
| 68# INFORMATION ON UTC - TAI |
|
| 61# | 69# |
| 62# Bulletin C 33 63# 64# To authorities responsible 65# 66# for the measurement and 67# distribution of time 68# 69# 70# 71# 72# 73# INFORMATION ON UTC - TAI 74# 75# 76# NO positive leap second will be introduced at the end of June 2007. 77# The difference between Coordinated Universal Time UTC and the 78# International Atomic Time TAI is : 79# | 70# NO positive leap second will be introduced at the end of June 2007. 71# The difference between Coordinated Universal Time UTC and the 72# International Atomic Time TAI is: |
| 80# from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s | 73# from 2006 January 1, 0h UTC, until further notice : UTC-TAI = -33 s |
| 74# Leap seconds can be introduced in UTC at the end of the months of 75# December or June, depending on the evolution of UT1-TAI. Bulletin C is 76# mailed every six months, either to announce a time step in UTC, or to 77# confirm that there will be no time step at the next possible date. |
|
| 81# | 78# |
| 82# Leap seconds can be introduced in UTC at the end of the months of December 83# or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every 84# six months, either to announce a time step in UTC, or to confirm that there 85# will be no time step at the next possible date. 86# 87# 88# Daniel GAMBIS 89# Director 90# Earth Orientation Center of IERS 91# Observatoire de Paris, France 92# | 79# Daniel GAMBIS 80# Director 81# Earth Orientation Center of IERS 82# Observatoire de Paris, France |