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From: James Kuyper <jameskuyper@alumni.caltech.edu>
Newsgroups: comp.lang.c
Subject: Re: "A diagram of C23 basic types"
Date: Mon, 14 Apr 2025 23:25:26 -0400
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On 4/14/25 19:41, Lawrence D'Oliveiro wrote:
> On Mon, 14 Apr 2025 15:56:56 -0700, Keith Thompson wrote:
....
>> That would not be practical or useful.  The timing of the Big Bang is
>> not known with great precision ...
> 
> Neither is that of some fictional religious entity.

Not true. While his divinity is fictional, there might have been a
person who was the inspiration for those stories. Whether or not he was
real, the stories of his life are only consistent with a very specific
time period, which narrows the time period of his (possibly fictional)
birth to within just a few years. The uncertainty in the timing of the
Big Bang is currently about 59 million years.

On 1977-01-01, international time keepers started correcting for the
fact that different atomic clocks measured time at different speed
because they were at different altitudes. As a result, that date is
epoch used in Barycentric Coordinate Time (TCB), Geocentric Coordinate
Time (TCG), and Terrestrial Time (TT). I would therefore favor that
epoch over any other that I can think of.