[time-nuts] The future of UTC

Mark Spencer mspencer12345 at yahoo.ca
Fri Jul 15 16:45:59 UTC 2011





----- Original Message ----
From: Jose Camara <camaraq1 at quantacorp.com>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Fri, July 15, 2011 9:18:03 AM
Subject: Re: [time-nuts] The future of UTC

I think before adding to the fire of UTC1, UTC7 etc. why not just abolish
this silliness called Daylight Savings Time?  If there is any benefit to it,
just change business operating hours instead. In summer you work 10 to 6
instead of 9 to 5 and we don't have to go around the house, car, etc.
changing clocks. And Congress doesn't have to change the dates the VCRs were
programmed to do automatically, leaving time for them to take care of
something more important...

I used to have pet tortoises that would always ignore DST, looking for their
food one hour earlier...


-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Steve Rooke
Sent: Friday, July 15, 2011 8:24 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] The future of UTC

On 16 July 2011 03:14, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> In message
<CACTjVNynr5Vhrj=E+gFUnGeBPa_u8__26BhjaMK2NV6UXGi2Sg at mail.gmail.com>
> , Steve Rooke writes:
>
>>> Nope, once they have scheduled a leap-second, it happens.
>>
>>And if it's not needed?
>
> It is needed, otherwise they would not have scheduled it.

So, your saying they will predict all the wobbling, drift, internal
earth changes, etc and do this with any accuracy 20 years in advance,
when we have already seen significant variations in this.

> If they predict wrong all that happens is that DUT1 wanders a bit
> more around and they will have to catch up with it over the next
> couple of decades.

Given that straight-jacket, I suggest they schedule one every year
then they can add and subtract them willy nilly. Yes, New Years Day,
worldwide let's change the clock regardless. It would make it much
more fun for all of us to watch what happens. Yes, I'm game for that,
great idea.

Cheers,
Steve

> --
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by
incompetence.
>
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-- 
Steve Rooke - ZL3TUV & G8KVD
The only reason for time is so that everything doesn't happen at once.
- Einstein

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