[time-nuts] How many seconds in a year?

Tom Van Baak tvb at LeapSecond.com
Wed Oct 15 06:00:29 UTC 2008


> Which now gets me back to my question. If I want to make a clock
> that chimes once per solar year when we have completed a cycle
> it will count down a number of seconds then chime. So I want to
> know the number of seconds in a Mean Year, accurate enough
> so that in 200 years time it will still be right.

Neville,

I'm pretty sure no electronic clock ever made is accurate
enough and reliable enough to meet your goal.

But you might want to look at this one, though:

http://www.longnow.org/projects/clock/
http://www.longnow.org/projects/clock/prototype1/
http://www.longnow.org/projects/clock/chimes/

/tvb




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