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make/data/tzdata/leapseconds

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*** 40,55 **** # and publishes leap second data in a copyrighted file # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>. # See: Levine J. Coordinated Universal Time and the leap second. # URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995 # <https://ieeexplore.ieee.org/document/7909995>. - # 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. The first ("1 Jan 1972") data line in leap-seconds.list ! # does not denote a leap second; it denotes the start of the current definition ! # of UTC. # 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 --- 40,52 ---- # and publishes leap second data in a copyrighted file # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>. # See: Levine J. Coordinated Universal Time and the leap second. # URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995 # <https://ieeexplore.ieee.org/document/7909995>. # 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. # 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
*** 84,92 **** Leap 2015 Jun 30 23:59:60 + S Leap 2016 Dec 31 23:59:60 + S # POSIX timestamps for the data in this file: #updated 1467936000 ! #expires 1577491200 ! # Updated through IERS Bulletin C57 ! # File expires on: 28 December 2019 --- 81,89 ---- Leap 2015 Jun 30 23:59:60 + S Leap 2016 Dec 31 23:59:60 + S # POSIX timestamps for the data in this file: #updated 1467936000 ! #expires 1561680000 ! # Updated through IERS Bulletin C56 ! # File expires on: 28 June 2019
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