Stephen Scott <stephenscott at videotron.ca> wrote: > Where is the standard for that? > Or at least some document that specifies that? The standard for leap seconds is ITU-R TF.460 https://www.itu.int/rec/R-REC-TF.460/en Tony. -- f.anthony.n.finch <dot at dotat.at> http://dotat.at/ disperse power, foster diversity, and nurture creativity