Tony Finch wrote:

> I reckon the timezone fudge is workable for rate errors as large as 1e-5,
> which would imply a timezone change every 11 years.
> 
> More speculation along these lines: http://fanf.livejournal.com/116480.html

And I have reckoned the exact opposite.  A leap hour or timezone shift per 
decade is way too frequent for people to put up with.  The statement that this 
is due to a rate error is also a tacit acknowledgement that time-of-day == mean 
solar time.  As you say in your journal:  "the two timescales arrangement is 
the best way to model what is actually going on".

"I reckon" is not a coherent plan.  A clear plan (whatever its nature) should 
be developed before action is taken.  Why is this controversial?

And need it be pointed out again that absolutely nothing about the "Draft 
Revision to ITU-R Recommendation TF.460-6" even breathes a whisper that any 
variation of "timezone fudge" is on the table.  No "temporal taffy" either.  
Just cease and desist and let other people clean up the mess in the kitchen.  
If timezone fudge is a tasty part of the meal, then it should be simple to 
write down the recipe.

Look before you [choose not to] leap.

Rob Seaman
National Optical Astronomy Observatory
Tucson, AZ

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