| leapseconds (140320) | leapseconds (147771) |
|---|---|
| 1# @(#)leapseconds 7.17 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, --- 29 unchanged lines hidden (view full) --- 38Leap 1989 Dec 31 23:59:60 + S 39Leap 1990 Dec 31 23:59:60 + S 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 | 1# @(#)leapseconds 7.17 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, --- 29 unchanged lines hidden (view full) --- 38Leap 1989 Dec 31 23:59:60 + S 39Leap 1990 Dec 31 23:59:60 + S 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 |
|
| 46 47# 48# 49# 50# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) 51# 52# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE 53# 54# SERVICE DE LA ROTATION TERRESTRE 55# OBSERVATOIRE DE PARIS 56# 61, Av. de l'Observatoire 75014 PARIS (France) 57# Tel. : 33 (0) 1 40 51 22 26 58# FAX : 33 (0) 1 40 51 22 91 | 47 48# 49# 50# 51# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS) 52# 53# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE 54# 55# SERVICE DE LA ROTATION TERRESTRE 56# OBSERVATOIRE DE PARIS 57# 61, Av. de l'Observatoire 75014 PARIS (France) 58# Tel. : 33 (0) 1 40 51 22 26 59# FAX : 33 (0) 1 40 51 22 91 |
| 59# Internet : services.iers@obspm.fr | 60# e-mail : services.iers@obspm.fr 61# http://hpiers.obspm.fr/eop-pc |
| 60# | 62# |
| 61# Paris, 14 January 2005 | 63# Paris, 4 July 2005 |
| 62# | 64# |
| 63# 64# Bulletin C 29 | 65# Bulletin C 30 |
| 65# | 66# |
| 66# To authorities responsible 67# for the measurement and 68# distribution of time 69# | 67# To authorities responsible 68# for the measurement and 69# distribution of time |
| 70# 71# | 70# 71# |
| 72# INFORMATION ON UTC - TAI | 72# UTC TIME STEP 73# on the 1st of January 2006 |
| 73# 74# | 74# 75# |
| 75# NO positive leap second will be introduced at the end of June 2005. 76# The difference between Coordinated Universal Time UTC and the 77# International Atomic Time TAI is : | 76# A positive leap second will be introduced at the end of December 2005. 77# The sequence of dates of the UTC second markers will be: |
| 78# | 78# |
| 79# from 1999 January 1, 0h UTC, until further notice : UTC-TAI = -32 s 80# | 79# 2005 December 31, 23h 59m 59s 80# 2005 December 31, 23h 59m 60s 81# 2006 January 1, 0h 0m 0s 82# 83# The difference between UTC and the International Atomic Time TAI is: 84# 85# from 1999 January 1, 0h UTC, to 2006 January 1 0h UTC : UTC-TAI = - 32s 86# from 2006 January 1, 0h UTC, until further notice : UTC-TAI = - 33s 87# |
| 81# Leap seconds can be introduced in UTC at the end of the months of December | 88# Leap seconds can be introduced in UTC at the end of the months of December |
| 82# or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every 83# six months, either to announce a time step in UTC, or to confirm that there | 89# or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every 90# six months, either to announce a time step in UTC or to confirm that there |
| 84# will be no time step at the next possible date. | 91# will be no time step at the next possible date. |
| 92# |
|
| 85# 86# | 93# 94# |
| 87# Daniel GAMBIS 88# Director 89# Earth Orientation Center of IERS 90# Observatoire de Paris, France | 95# Daniel GAMBIS 96# Head 97# Earth Orientation Center of IERS 98# Observatoire de Paris, France |
| 91# | 99# |