Lines Matching refs:leap

1 # Allowance for leap seconds added to each time zone file.
6 # NIST format leap-seconds.list file, which can be copied from
7 # <ftp://ftp.nist.gov/pub/time/leap-seconds.list>
8 # or <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>.
10 # <https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list>
13 # For more about leap-seconds.list, please see
15 # <https://www.eecis.udel.edu/~mills/leap.html>.
17 # The rules for leap seconds are specified in Annex 1 (Time scales) of:
23 # periodically uses leap seconds to keep UTC to within 0.9 s of UT1
25 # and publishes leap second data in a copyrighted file
27 # See: Levine J. Coordinated Universal Time and the leap second.
31 # There were no leap seconds before 1972, as no official mechanism
33 # rotation.  The first ("1 Jan 1972") data line in leap-seconds.list
34 # does not denote a leap second; it denotes the start of the current definition
37 # All leap-seconds are Stationary (S) at the given UTC time.
39 # event of a negative leap second, a line would look like this:
71 # UTC timestamp when this leap second list expires.
72 # Any additional leap seconds will come after this.