[LEAPSECS] 1.26 microseconds

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Jun 13 17:18:23 EDT 2011

In message <96366060-430F-451B-81CC-D63082CD971F at noao.edu>, Rob Seaman writes:

>So "day" is a word referring to Earth Rotation?

As a first order approximation, the same way a year is a first order
approximation to earth orbital position.


PS: I read an interesting note recently about how the fact that
years have varying lengths have become an issue for determining the
"official" half-life of long lived radioactive isotopes: Many
geological methods just counted years, but hadn't considered how
long those years were.

Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.

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