Re: [LEAPSECS] two world clocks

From: Clive D.W. Feather <>
Date: Fri, 21 Jan 2005 05:47:07 +0000

Rob Seaman said:
> Isn't this just a wee bit arrogant? (I toned that down from another
> word starting with "r".) People need good sources of time for a
> variety of reasons. We are discussing a complete abandonment of the
> provision of Earth "rotation information" to the civilian public
> worldwide. I won't belabor the point of why I think that is bad.

Perhaps you should.

Why does or should my wife (who is technically and mathematically
competent, but takes no interest in this particular topic) care about the
current earth rotation angle, so long as the clock on the wall shows a
value not too dissimilar from it?

Even though I live within metres of the Prime Meridian, clock time varies
from earth rotation angle by up to 0.3 radians. Sunset already varies from
3pm to 10pm. Solar time *DOES NOT MATTER*.

We have to go round the house adjusting clocks twice a year. Fixing *that*
problem would be of far more benefit.

Yes, astronomers need solar time as well as TAI. But astronomers (and I
used to be one professionally) are capable of coping with that. Who else
needs it?

Clive D.W. Feather  | Work:  <>   | Tel:    +44 20 8495 6138
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Received on Thu Jan 20 2005 - 21:47:27 PST

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