diff options
Diffstat (limited to 'share/zoneinfo/datfiles/leapseconds')
-rw-r--r-- | share/zoneinfo/datfiles/leapseconds | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/share/zoneinfo/datfiles/leapseconds b/share/zoneinfo/datfiles/leapseconds index e792e0fa051..84b073d69d9 100644 --- a/share/zoneinfo/datfiles/leapseconds +++ b/share/zoneinfo/datfiles/leapseconds @@ -1,4 +1,4 @@ -# $OpenBSD: leapseconds,v 1.37 2018/10/22 21:44:28 millert Exp $ +# $OpenBSD: leapseconds,v 1.38 2019/01/01 13:22:16 millert Exp $ # Allowance for leap seconds added to each time zone file. # This file is in the public domain. @@ -20,9 +20,12 @@ # 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: |