[LEAPSECS] Reliability

Tony Finch dot at dotat.at
Wed Jan 7 14:01:07 EST 2009


On Tue, 6 Jan 2009, Adi Stav wrote:

>

> Right. Well, both my memory of the archives and M. Warner Losh's summary

> have uses that need to be aware of UT (actually, I think local sidereal

> time, or ET in some cases, so that have to perform conversions either

> way).


No-one uses ET any more. It has been replaced by TT (which is based on
atomic time).

Tony.
--
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
NORTH UTSIRE SOUTH UTSIRE: VARIABLE 3 OR 4 BECOMING SOUTHERLY 5 TO 7 THEN
VEERING WESTERLY. MODERATE OR ROUGH. OCCASIONAL SNOW THEN RAIN. MODERATE OR
GOOD, OCCASIONALLY POOR AT FIRST.


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