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, which can be copied from
30 # <ftp://ftp.nist.gov/pub/time/leap-seconds.list>
31 # or <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>
32 # or <ftp://tycho.usno.navy.mil/pub/ntp/leap-seconds.list>.
33 # For more about leap-seconds.list, please see
34 # The NTP Timescale and Leap Seconds
35 # <https://www.eecis.udel.edu/~mills/leap.html>.
36
37 # The International Earth Rotation and Reference Systems Service
38 # periodically uses leap seconds to keep UTC to within 0.9 s of UT1
39 # (which measures the true angular orientation of the earth in space)
40 # and publishes leap second data in a copyrighted file
41 # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>.
42 # See: Levine J. Coordinated Universal Time and the leap second.
43 # URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995
44 # <https://ieeexplore.ieee.org/document/7909995>.
45 # There were no leap seconds before 1972, because the official mechanism
46 # accounting for the discrepancy between atomic time and the earth's rotation
47 # did not exist.
48
49 # The correction (+ or -) is made at the given time, so lines
50 # will typically look like:
51 # Leap YEAR MON DAY 23:59:60 + R/S
52 # or
53 # Leap YEAR MON DAY 23:59:59 - R/S
54
55 # If the leap second is Rolling (R) the given time is local time (unused here).
56 Leap 1972 Jun 30 23:59:60 + S
57 Leap 1972 Dec 31 23:59:60 + S
58 Leap 1973 Dec 31 23:59:60 + S
59 Leap 1974 Dec 31 23:59:60 + S
60 Leap 1975 Dec 31 23:59:60 + S
61 Leap 1976 Dec 31 23:59:60 + S
62 Leap 1977 Dec 31 23:59:60 + S
63 Leap 1978 Dec 31 23:59:60 + S
64 Leap 1979 Dec 31 23:59:60 + S
65 Leap 1981 Jun 30 23:59:60 + S
66 Leap 1982 Jun 30 23:59:60 + S
67 Leap 1983 Jun 30 23:59:60 + S
68 Leap 1985 Jun 30 23:59:60 + S
69 Leap 1987 Dec 31 23:59:60 + S
70 Leap 1989 Dec 31 23:59:60 + S
71 Leap 1990 Dec 31 23:59:60 + S
72 Leap 1992 Jun 30 23:59:60 + S
73 Leap 1993 Jun 30 23:59:60 + S
74 Leap 1994 Jun 30 23:59:60 + S
75 Leap 1995 Dec 31 23:59:60 + S
76 Leap 1997 Jun 30 23:59:60 + S
77 Leap 1998 Dec 31 23:59:60 + S
78 Leap 2005 Dec 31 23:59:60 + S
79 Leap 2008 Dec 31 23:59:60 + S
80 Leap 2012 Jun 30 23:59:60 + S
81 Leap 2015 Jun 30 23:59:60 + S
82 Leap 2016 Dec 31 23:59:60 + S
83
84 # POSIX timestamps for the data in this file:
85 #updated 1467936000
86 #expires 1561680000
87
88 # Updated through IERS Bulletin C56
89 # File expires on: 28 June 2019
|
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, which can be copied from
30 # <ftp://ftp.nist.gov/pub/time/leap-seconds.list>
31 # or <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>
32 # or <ftp://tycho.usno.navy.mil/pub/ntp/leap-seconds.list>.
33 # For more about leap-seconds.list, please see
34 # The NTP Timescale and Leap Seconds
35 # <https://www.eecis.udel.edu/~mills/leap.html>.
36
37 # The International Earth Rotation and Reference Systems Service
38 # periodically uses leap seconds to keep UTC to within 0.9 s of UT1
39 # (which measures the true angular orientation of the earth in space)
40 # and publishes leap second data in a copyrighted file
41 # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>.
42 # See: Levine J. Coordinated Universal Time and the leap second.
43 # URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995
44 # <https://ieeexplore.ieee.org/document/7909995>.
45
46 # There were no leap seconds before 1972, because the official mechanism
47 # accounting for the discrepancy between atomic time and the earth's rotation
48 # did not exist. The first ("1 Jan 1972") data line in leap-seconds.list
49 # does not denote a leap second; it denotes the start of the current definition
50 # of UTC.
51
52 # The correction (+ or -) is made at the given time, so lines
53 # will typically look like:
54 # Leap YEAR MON DAY 23:59:60 + R/S
55 # or
56 # Leap YEAR MON DAY 23:59:59 - R/S
57
58 # If the leap second is Rolling (R) the given time is local time (unused here).
59 Leap 1972 Jun 30 23:59:60 + S
60 Leap 1972 Dec 31 23:59:60 + S
61 Leap 1973 Dec 31 23:59:60 + S
62 Leap 1974 Dec 31 23:59:60 + S
63 Leap 1975 Dec 31 23:59:60 + S
64 Leap 1976 Dec 31 23:59:60 + S
65 Leap 1977 Dec 31 23:59:60 + S
66 Leap 1978 Dec 31 23:59:60 + S
67 Leap 1979 Dec 31 23:59:60 + S
68 Leap 1981 Jun 30 23:59:60 + S
69 Leap 1982 Jun 30 23:59:60 + S
70 Leap 1983 Jun 30 23:59:60 + S
71 Leap 1985 Jun 30 23:59:60 + S
72 Leap 1987 Dec 31 23:59:60 + S
73 Leap 1989 Dec 31 23:59:60 + S
74 Leap 1990 Dec 31 23:59:60 + S
75 Leap 1992 Jun 30 23:59:60 + S
76 Leap 1993 Jun 30 23:59:60 + S
77 Leap 1994 Jun 30 23:59:60 + S
78 Leap 1995 Dec 31 23:59:60 + S
79 Leap 1997 Jun 30 23:59:60 + S
80 Leap 1998 Dec 31 23:59:60 + S
81 Leap 2005 Dec 31 23:59:60 + S
82 Leap 2008 Dec 31 23:59:60 + S
83 Leap 2012 Jun 30 23:59:60 + S
84 Leap 2015 Jun 30 23:59:60 + S
85 Leap 2016 Dec 31 23:59:60 + S
86
87 # POSIX timestamps for the data in this file:
88 #updated 1467936000
89 #expires 1577491200
90
91 # Updated through IERS Bulletin C57
92 # File expires on: 28 December 2019
|