equal
deleted
inserted
replaced
40 # and publishes leap second data in a copyrighted file |
40 # and publishes leap second data in a copyrighted file |
41 # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>. |
41 # <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>. |
42 # See: Levine J. Coordinated Universal Time and the leap second. |
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 |
43 # URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995 |
44 # <https://ieeexplore.ieee.org/document/7909995>. |
44 # <https://ieeexplore.ieee.org/document/7909995>. |
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45 |
45 # There were no leap seconds before 1972, because the official mechanism |
46 # 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 # accounting for the discrepancy between atomic time and the earth's rotation |
47 # did not exist. |
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. |
48 |
51 |
49 # The correction (+ or -) is made at the given time, so lines |
52 # The correction (+ or -) is made at the given time, so lines |
50 # will typically look like: |
53 # will typically look like: |
51 # Leap YEAR MON DAY 23:59:60 + R/S |
54 # Leap YEAR MON DAY 23:59:60 + R/S |
52 # or |
55 # or |
81 Leap 2015 Jun 30 23:59:60 + S |
84 Leap 2015 Jun 30 23:59:60 + S |
82 Leap 2016 Dec 31 23:59:60 + S |
85 Leap 2016 Dec 31 23:59:60 + S |
83 |
86 |
84 # POSIX timestamps for the data in this file: |
87 # POSIX timestamps for the data in this file: |
85 #updated 1467936000 |
88 #updated 1467936000 |
86 #expires 1561680000 |
89 #expires 1577491200 |
87 |
90 |
88 # Updated through IERS Bulletin C56 |
91 # Updated through IERS Bulletin C57 |
89 # File expires on: 28 June 2019 |
92 # File expires on: 28 December 2019 |