| leapseconds (75267) | leapseconds (86222) |
|---|---|
| 1# @(#)leapseconds 7.13 | 1# @(#)leapseconds 7.14 |
| 2 | 2 |
| 3# $FreeBSD: head/share/zoneinfo/leapseconds 75267 2001-04-06 16:46:52Z wollman $ | 3# $FreeBSD: head/share/zoneinfo/leapseconds 86222 2001-11-09 19:17:59Z wollman $ |
| 4 5# Allowance for leapseconds added to each timezone file. 6 7# The International Earth Rotation Service periodically uses leap seconds 8# to keep UTC to within 0.9 s of UT1 9# (which measures the true angular orientation of the earth in space); see 10# Terry J Quinn, The BIPM and the accurate measure of time, 11# Proc IEEE 79, 7 (July 1991), 894-905. --- 28 unchanged lines hidden (view full) --- 40Leap 1989 Dec 31 23:59:60 + S 41Leap 1990 Dec 31 23:59:60 + S 42Leap 1992 Jun 30 23:59:60 + S 43Leap 1993 Jun 30 23:59:60 + S 44Leap 1994 Jun 30 23:59:60 + S 45Leap 1995 Dec 31 23:59:60 + S 46Leap 1997 Jun 30 23:59:60 + S 47Leap 1998 Dec 31 23:59:60 + S | 4 5# Allowance for leapseconds added to each timezone file. 6 7# The International Earth Rotation Service periodically uses leap seconds 8# to keep UTC to within 0.9 s of UT1 9# (which measures the true angular orientation of the earth in space); see 10# Terry J Quinn, The BIPM and the accurate measure of time, 11# Proc IEEE 79, 7 (July 1991), 894-905. --- 28 unchanged lines hidden (view full) --- 40Leap 1989 Dec 31 23:59:60 + S 41Leap 1990 Dec 31 23:59:60 + S 42Leap 1992 Jun 30 23:59:60 + S 43Leap 1993 Jun 30 23:59:60 + S 44Leap 1994 Jun 30 23:59:60 + S 45Leap 1995 Dec 31 23:59:60 + S 46Leap 1997 Jun 30 23:59:60 + S 47Leap 1998 Dec 31 23:59:60 + S |
| 48# INTERNATIONAL EARTH ROTATION SERVICE (IERS) 49# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE | 48 49# INTERNATIONAL EARTH ROTATION SERVICE (IERS) 50# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE |
| 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 : iers@obspm.fr 57# | 51# 52# SERVICE DE LA ROTATION TERRESTRE 53# OBSERVATOIRE DE PARIS 54# 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 : iers@obspm.fr 58# |
| 58# Paris, 11 January 2001 | 59# Paris, 25 June 2001 |
| 59# | 60# |
| 60# Bulletin C 21 | 61# Bulletin C 22 |
| 61# | 62# |
| 62# To authorities responsible for the measurement and distribution of time | 63# To authorities responsible 64# for the measurement and 65# distribution of time |
| 63# | 66# |
| 64# INFORMATION ON UTC - TAI | 67# INFORMATION ON UTC - TAI |
| 65# | 68# |
| 66# NO positive leap second will be introduced at the end of June 2001. | 69# NO positive leap second will be introduced at the end of December 2001. 70# The difference between UTC and the International Atomic Time TAI is : 71# 72# from 1999 January 1, 0h UTC, until further notice : UTC-TAI = -32 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 |