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# <pre>
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.

# Allowance for leapseconds added to each timezone file.

# The International Earth Rotation Service periodically uses leap seconds
# to keep UTC to within 0.9 s of UT1
# (which measures the true angular orientation of the earth in space); see
# Terry J Quinn, The BIPM and the accurate measure of time,
# Proc IEEE 79, 7 (July 1991), 894-905.
# There were no leap seconds before 1972, because the official mechanism
# accounting for the discrepancy between atomic time and the earth's rotation
# did not exist until the early 1970s.

# The correction (+ or -) is made at the given time, so lines
# will typically look like:
# Leap  YEAR  MON DAY 23:59:60  + R/S
# or
# Leap  YEAR  MON DAY 23:59:59  - R/S

# If the leapsecond is Rolling (R) the given time is local time
# If the leapsecond is Stationary (S) the given time is UTC

# Leap  YEAR  MONTH DAY HH:MM:SS  CORR  R/S
Leap  1972  Jun 30  23:59:60  + S
Leap  1972  Dec 31  23:59:60  + S
Leap  1973  Dec 31  23:59:60  + S
Leap  1974  Dec 31  23:59:60  + S
Leap  1975  Dec 31  23:59:60  + S
Leap  1976  Dec 31  23:59:60  + S
Leap  1977  Dec 31  23:59:60  + S
Leap  1978  Dec 31  23:59:60  + S
Leap  1979  Dec 31  23:59:60  + S
Leap  1981  Jun 30  23:59:60  + S
Leap  1982  Jun 30  23:59:60  + S
Leap  1983  Jun 30  23:59:60  + S
Leap  1985  Jun 30  23:59:60  + S
Leap  1987  Dec 31  23:59:60  + S
Leap  1989  Dec 31  23:59:60  + S
Leap  1990  Dec 31  23:59:60  + S
Leap  1992  Jun 30  23:59:60  + S
Leap  1993  Jun 30  23:59:60  + S
Leap  1994  Jun 30  23:59:60  + S
Leap  1995  Dec 31  23:59:60  + S
Leap  1997  Jun 30  23:59:60  + S
Leap  1998  Dec 31  23:59:60  + S
Leap  2005  Dec 31  23:59:60  + S
Leap  2008  Dec 31  23:59:60  + S
Leap  2012  Jun 30  23:59:60  + S

# INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE (IERS)
#
# SERVICE INTERNATIONAL DE LA ROTATION TERRESTRE ET DES SYSTEMES DE REFERENCE
#
#
# SERVICE DE LA ROTATION TERRESTRE
# OBSERVATOIRE DE PARIS
# 61, Av. de l'Observatoire 75014 PARIS (France)
# Tel.      : 33 (0) 1 40 51 22 26
# FAX       : 33 (0) 1 40 51 22 91
# e-mail    : (E-Mail Removed)
# http://hpiers.obspm.fr/eop-pc
#
# Paris, 5 January 2012
#
#
# Bulletin C 43
#
# To authorities responsible
# for the measurement and
# distribution of time
#
#
# UTC TIME STEP
# on the 1st of July 2012
#
#
# A positive leap second will be introduced at the end of June 2012.
# The sequence of dates of the UTC second markers will be:
#
#                          2012 June 30,     23h 59m 59s
#                          2012 June 30,     23h 59m 60s
#                          2012 July  1,      0h  0m  0s
#
# The difference between UTC and the International Atomic Time TAI is:
#
# from 2009 January 1, 0h UTC, to 2012 July 1  0h UTC  : UTC-TAI = - 34s
# from 2012 July 1,    0h UTC, until further notice    : UTC-TAI = - 35s
#
# Leap seconds can be introduced in UTC at the end of the months of December
# or June, depending on the evolution of UT1-TAI. Bulletin C is mailed every
# six months, either to announce a time step in UTC or to confirm that there
# will be no time step at the next possible date.
#
#
# Daniel GAMBIS
# Head
# Earth Orientation Center of IERS
# Observatoire de Paris, France