diff options
Diffstat (limited to 'contrib/tzdata/leapseconds')
| -rw-r--r-- | contrib/tzdata/leapseconds | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/contrib/tzdata/leapseconds b/contrib/tzdata/leapseconds index 148aa8e..325f3a1 100644 --- a/contrib/tzdata/leapseconds +++ b/contrib/tzdata/leapseconds @@ -19,9 +19,12 @@ # 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. +# 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: |
