[ntp:questions] Leap second functional question

sla29970 at gmail.com sla29970 at gmail.com
Mon Feb 25 18:46:03 UTC 2008

On Feb 25, 9:53 am, ddun... at taos.com (Darren Dunham) wrote:
> The second is based on earth rotation in 1900.

The SI second is based on the ephemeris second, which is based on the
earth's mean orbital motion in 1900, but that definition corresponds
to the mean solar second of earth's rotation from around the year 1820
or so, and this is not NTP so can it move to an astronomy group?

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