[tz] Why is `Etc/UCT` not an alias of `Etc/UTC`?

[Alan Perry]

My guess is that some people used the term "Universal Coordinated Time" 
before it got standardized to UTC.

alan

On 3/5/19 11:52 AM, Matt Johnson wrote:
> Is there a source or a story about where "UCT" came from?  Or are we 
> just further propagating a misspelling?
>
> -Matt
> ------------------------------------------------------------------------
> *From:* tz <tz-bounces at iana.org> on behalf of Paul Eggert 
> <eggert at cs.ucla.edu>
> *Sent:* Tuesday, March 5, 2019 11:45 AM
> *To:* Isiah Meadows
> *Cc:* Time Zone Mailing List
> *Subject:* Re: [tz] Why is `Etc/UCT` not an alias of `Etc/UTC`?
> On 3/4/19 4:29 PM, Isiah Meadows wrote:
> > They seem to refer to the same thing, so it doesn't make much sense to
> > me why they're considered different.
>
> They generate different abbreviations:
>
> $ TZ=Etc/UTC date; TZ=Etc/UCT date
> Tue Mar  5 19:45:10 UTC 2019
> Tue Mar  5 19:45:10 UCT 2019
>

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