test/jdk/sun/util/calendar/zi/tzdata/leapseconds
changeset 55634 0f1e29c77e50
parent 52420 b6f32c533faf
equal deleted inserted replaced
55633:9d7c2d9f822c 55634:0f1e29c77e50
    38 # and publishes leap second data in a copyrighted file
    38 # and publishes leap second data in a copyrighted file
    39 # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>.
    39 # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>.
    40 # See: Levine J. Coordinated Universal Time and the leap second.
    40 # See: Levine J. Coordinated Universal Time and the leap second.
    41 # URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995
    41 # URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995
    42 # <https://ieeexplore.ieee.org/document/7909995>.
    42 # <https://ieeexplore.ieee.org/document/7909995>.
       
    43 
    43 # There were no leap seconds before 1972, because the official mechanism
    44 # There were no leap seconds before 1972, because the official mechanism
    44 # accounting for the discrepancy between atomic time and the earth's rotation
    45 # accounting for the discrepancy between atomic time and the earth's rotation
    45 # did not exist.
    46 # did not exist.  The first ("1 Jan 1972") data line in leap-seconds.list
       
    47 # does not denote a leap second; it denotes the start of the current definition
       
    48 # of UTC.
    46 
    49 
    47 # The correction (+ or -) is made at the given time, so lines
    50 # The correction (+ or -) is made at the given time, so lines
    48 # will typically look like:
    51 # will typically look like:
    49 #	Leap	YEAR	MON	DAY	23:59:60	+	R/S
    52 #	Leap	YEAR	MON	DAY	23:59:60	+	R/S
    50 # or
    53 # or
    79 Leap	2015	Jun	30	23:59:60	+	S
    82 Leap	2015	Jun	30	23:59:60	+	S
    80 Leap	2016	Dec	31	23:59:60	+	S
    83 Leap	2016	Dec	31	23:59:60	+	S
    81 
    84 
    82 # POSIX timestamps for the data in this file:
    85 # POSIX timestamps for the data in this file:
    83 #updated 1467936000
    86 #updated 1467936000
    84 #expires 1561680000
    87 #expires 1577491200
    85 
    88 
    86 #	Updated through IERS Bulletin C56
    89 #	Updated through IERS Bulletin C57
    87 #	File expires on:  28 June 2019
    90 #	File expires on:  28 December 2019