[LEAPSECS] LEAPSECS Digest, Vol 45, Issue 1

[Tony Finch]

On 3 Sep 2010, at 22:14, Rob Seaman <seaman at noao.edu> wrote:


> Greenwich Mean Time is the Mean Solar Time in Greenwich.  Is this its "historical astronomical meaning"?  Or is this its "definition"?


The former, because in current usage it is a synonym for UTC (which I do not regard as an astronomical timescale, though you can reasonably argue otherwise if your required precision is 1 - 10 seconds).

Tony.
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