test/jdk/sun/util/calendar/zi/tzdata/leapseconds

@@ -24,36 +24,37 @@
 # Allowance for leap seconds added to each time zone file.
 
 # This file is in the public domain.
 
 # This file is generated automatically from the data in the public-domain
-# leap-seconds.list file, which is copied from:
-# ftp://ftp.nist.gov/pub/time/leap-seconds.list
+# leap-seconds.list file, which can be copied from
+# <ftp://ftp.nist.gov/pub/time/leap-seconds.list>
+# or <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>
+# or <ftp://tycho.usno.navy.mil/pub/ntp/leap-seconds.list>.
 # For more about leap-seconds.list, please see
 # The NTP Timescale and Leap Seconds
-# https://www.eecis.udel.edu/~mills/leap.html
+# <https://www.eecis.udel.edu/~mills/leap.html>.
 
 # The International Earth Rotation and Reference Systems 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
-# Levine J. Coordinated Universal Time and the leap second.
+# (which measures the true angular orientation of the earth in space)
+# 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
-# http://ieeexplore.ieee.org/document/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 until the early 1970s.
+# 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
 #       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
+# If the leap second is Rolling (R) the given time is local time (unused here).
 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

@@ -78,7 +79,11 @@
 Leap    2008    Dec     31      23:59:60        +       S
 Leap    2012    Jun     30      23:59:60        +       S
 Leap    2015    Jun     30      23:59:60        +       S
 Leap    2016    Dec     31      23:59:60        +       S
 
-#       Updated through IERS Bulletin C55
-#       File expires on:  28 December 2018
+# POSIX timestamps for the data in this file:
+#updated 1467936000
+#expires 1561680000
+
+#       Updated through IERS Bulletin C56
+#       File expires on:  28 June 2019