make/data/tzdata/leapseconds

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   4 # This code is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License version 2 only, as
   6 # published by the Free Software Foundation.  Oracle designates this
   7 # particular file as subject to the "Classpath" exception as provided
   8 # by Oracle in the LICENSE file that accompanied this code.
   9 #
  10 # This code is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 # version 2 for more details (a copy is included in the LICENSE file that
  14 # accompanied this code).
  15 #
  16 # You should have received a copy of the GNU General Public License version
  17 # 2 along with this work; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19 #
  20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21 # or visit www.oracle.com if you need additional information or have any
  22 # questions.
  23 #
  24 # Allowance for leapseconds added to each timezone file.
  25 
  26 # This file is in the public domain.
  27 
  28 # This file is generated automatically from the data in the public-domain
  29 # leap-seconds.list file available from most NIST time servers.
  30 # If the URL <ftp://time.nist.gov/pub/leap-seconds.list> does not work,
  31 # you should be able to pick up leap-seconds.list from a secondary NIST server.
  32 # For more about leap-seconds.list, please see
  33 # The NTP Timescale and Leap Seconds
  34 # <http://www.eecis.udel.edu/~mills/leap.html>.
  35 
  36 # The International Earth Rotation Service periodically uses leap seconds
  37 # to keep UTC to within 0.9 s of UT1
  38 # (which measures the true angular orientation of the earth in space); see
  39 # Terry J Quinn, The BIPM and the accurate measure of time,
  40 # Proc IEEE 79, 7 (July 1991), 894-905 <http://dx.doi.org/10.1109/5.84965>.
  41 # There were no leap seconds before 1972, because the official mechanism
  42 # accounting for the discrepancy between atomic time and the earth's rotation
  43 # did not exist until the early 1970s.
  44 
  45 # The correction (+ or -) is made at the given time, so lines
  46 # will typically look like:
  47 #       Leap    YEAR    MON     DAY     23:59:60        +       R/S
  48 # or
  49 #       Leap    YEAR    MON     DAY     23:59:59        -       R/S
  50 
  51 # If the leapsecond is Rolling (R) the given time is local time.
  52 # If the leapsecond is Stationary (S) the given time is UTC.
  53 
  54 # Leap  YEAR    MONTH   DAY     HH:MM:SS        CORR    R/S




   4 # This code is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License version 2 only, as
   6 # published by the Free Software Foundation.  Oracle designates this
   7 # particular file as subject to the "Classpath" exception as provided
   8 # by Oracle in the LICENSE file that accompanied this code.
   9 #
  10 # This code is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 # version 2 for more details (a copy is included in the LICENSE file that
  14 # accompanied this code).
  15 #
  16 # You should have received a copy of the GNU General Public License version
  17 # 2 along with this work; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19 #
  20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21 # or visit www.oracle.com if you need additional information or have any
  22 # questions.
  23 #
  24 # Allowance for leap seconds added to each time zone file.
  25 
  26 # This file is in the public domain.
  27 
  28 # This file is generated automatically from the data in the public-domain
  29 # leap-seconds.list file available from most NIST time servers.
  30 # If the URL <ftp://time.nist.gov/pub/leap-seconds.list> does not work,
  31 # you should be able to pick up leap-seconds.list from a secondary NIST server.
  32 # For more about leap-seconds.list, please see
  33 # The NTP Timescale and Leap Seconds
  34 # http://www.eecis.udel.edu/~mills/leap.html
  35 
  36 # The International Earth Rotation Service periodically uses leap seconds
  37 # to keep UTC to within 0.9 s of UT1
  38 # (which measures the true angular orientation of the earth in space); see
  39 # Terry J Quinn, The BIPM and the accurate measure of time,
  40 # Proc IEEE 79, 7 (July 1991), 894-905 <http://dx.doi.org/10.1109/5.84965>.
  41 # There were no leap seconds before 1972, because the official mechanism
  42 # accounting for the discrepancy between atomic time and the earth's rotation
  43 # did not exist until the early 1970s.
  44 
  45 # The correction (+ or -) is made at the given time, so lines
  46 # will typically look like:
  47 #       Leap    YEAR    MON     DAY     23:59:60        +       R/S
  48 # or
  49 #       Leap    YEAR    MON     DAY     23:59:59        -       R/S
  50 
  51 # If the leapsecond is Rolling (R) the given time is local time.
  52 # If the leapsecond is Stationary (S) the given time is UTC.
  53 
  54 # Leap  YEAR    MONTH   DAY     HH:MM:SS        CORR    R/S