From 9ce89cade429e084f7b7f7b5d0ae4b35c3f8ad3e Mon Sep 17 00:00:00 2001 From: Peter Palfrader Date: Fri, 9 Jan 2015 20:00:44 +0100 Subject: [PATCH] New leap second --- modules/ntp/files/leap-seconds.list | 26 ++++++++++++++++++-------- 1 file changed, 18 insertions(+), 8 deletions(-) diff --git a/modules/ntp/files/leap-seconds.list b/modules/ntp/files/leap-seconds.list index 1a09193db..aac1361ca 100644 --- a/modules/ntp/files/leap-seconds.list +++ b/modules/ntp/files/leap-seconds.list @@ -1,4 +1,4 @@ -### downloaded 2014-12-20 from https://www.ietf.org/timezones/data/leap-seconds.list by weasel +### downloaded 2015-01-09 from ftp://time.nist.gov/pub/leap-seconds.list by weasel # # In the following text, the symbol '#' introduces # a comment, which continues from that symbol until @@ -48,7 +48,7 @@ # and can be ignored for many purposes. These differences # are tabulated in Circular T, which is published monthly # by the International Bureau of Weights and Measures -# (BIPM). See www.bipm.fr for more information. +# (BIPM). See www.bipm.org for more information. # # 3. The current definition of the relationship between UTC # and TAI dates from 1 January 1972. A number of different @@ -128,6 +128,15 @@ # with, since the difficulty of unambiguously representing the epoch # during the leap second does not arise. # +# Some systems implement leap seconds by amortizing the leap second +# over the last few minutes of the day. The frequency of the local +# clock is decreased (or increased) to realize the positive (or +# negative) leap second. This method removes the time step described +# above. Although the long-term behavior of the time scale is correct +# in this case, this method introduces an error during the adjustment +# period both in time and in frequency with respect to the official +# defintion of UTC. +# # Questions or comments to: # Judah Levine # Time and Frequency Division @@ -135,7 +144,7 @@ # Boulder, Colorado # Judah.Levine@nist.gov # -# Last Update of leap second values: 11 January 2012 +# Last Update of leap second values: 5 January 2015 # # The following line shows this last update date in NTP timestamp # format. This is the date on which the most recent change to @@ -143,7 +152,7 @@ # be identified by the unique pair of characters in the first two # columns as shown below. # -#$ 3535228800 +#$ 3629404800 # # The NTP timestamps are in units of seconds since the NTP epoch, # which is 1 January 1900, 00:00:00. The Modified Julian Day number @@ -191,10 +200,10 @@ # current -- the update time stamp, the data and the name of the file # will not change. # -# Updated through IERS Bulletin C48 -# File expires on: 28 June 2015 +# Updated through IERS Bulletin C49 +# File expires on: 28 December 2015 # -#@ 3644438400 +#@ 3660249600 # 2272060800 10 # 1 Jan 1972 2287785600 11 # 1 Jul 1972 @@ -222,6 +231,7 @@ 3345062400 33 # 1 Jan 2006 3439756800 34 # 1 Jan 2009 3550089600 35 # 1 Jul 2012 +3644697600 36 # 1 Jul 2015 # # the following special comment contains the # hash value of the data in this file computed @@ -237,4 +247,4 @@ # the hash line is also ignored in the # computation. # -#h a4862ccd c6f43c6 964f3604 85944a26 b5cfad4e +#h 45e70fa7 a9df2033 f4a49ab0 ec648273 7b6c22c -- 2.20.1