[LEAPSECS] Schedule for success

Tony Finch dot at dotat.at
Mon Dec 22 13:17:02 EST 2008


On Mon, 22 Dec 2008, Rob Seaman wrote:

>

> No. We have been using mean solar time formally since the 19th

> century, and informally since we woke each morning to light shining through

> the entrance of the cave.


Apparent solar time is not mean solar time. Remember that for a lot of
history we used rubber hours that varied according to the time between
sunrise and sunset. Mean solar time cannot be established without
reasonably accurate clocks.

Tony.
--
f.anthony.n.finch <dot at dotat.at> http://dotat.at/
LUNDY FASTNET IRISH SEA: SOUTH OR SOUTHWEST 4 OR 5, OCCASIONALLY 6 IN IRISH
SEA. MODERATE, OCCASIONALLY ROUGH IN LUNDY AND FASTNET. OCCASIONAL DRIZZLE.
MODERATE OR GOOD, OCCASIONALLY POOR.


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