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5th February 2008, 02:40 PM #1GOLD MEMBER
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Analogue 12 hr Clock and Time Zones
I want to make a gift for a friend and need to mount three clocks, one for local time, and one his two daughters who live in other time zones. One lives in a time zone 14 hours behind local time.
As an analogue clock only dispalys 12 hours I thought I could have two small holes under each clock that had -12 and +12. A brass pin could be placed in the appropriate hole (-12 in this example) to denote the 12 hour difference and the clock adjusted back two hours for the remainder of the time difference.
Am I on the right track or have I got it totally wrong? Will this work for all times around the world?Cheers,
Rod
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5th February 2008, 03:04 PM #2GOLD MEMBER
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To help visualise it here is a rough drawing.
Cheers,
Rod
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5th February 2008, 03:07 PM #3
I suggest you go on www.cws.au.com and send Jim an email about the availability of clocks that may do what you want.
regards
David
"Tell him he's dreamin.""How's the serenity" (from "The Castle")
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5th February 2008, 03:14 PM #4GOLD MEMBER
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Thanks, but my first option was to look over his site and there is nothing in a small desk clock for 24 hours. I am looking at the 36mm face clocks as any larger would look out of place on a desk.
Cheers,
Rod
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5th February 2008, 04:56 PM #5
G'day Rod,
Have just been in touch with a mate who is a professional clock maker , he suggests
Yes 3 clocks will work.
or alternatives
1.- 24 hour clocks would be easier to tell if it was day or night overseas.
2.- A time clock that can be set for your time and overseas.
3.- A clock with a time ring that can be adjusted for the countrys you want to know the time in.
If you are interersted in fit-ups they are available.
PM me
Catch ya Andrew
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6th February 2008, 12:59 AM #6
If in the northern hemisphere, the actual offset will be 13, 14, or 15 hours, depending on local and distant states of daylight saving time. I have two clocks (ordinary wall clocks) near my computer; one is now at +15 hours from USEST to represent WWF time. It doesn't take too much mental gymnastics to realise that daytime here is night-time there (and vice-versa), but a signal would help. Perhaps an auxiliary clock (with missing minute hand) could be placed within the housing to trip a microswitch (push-on & push-off, I think) to illuminate a bulb on the panel.
JoeOf course truth is stranger than fiction.
Fiction has to make sense. - Mark Twain
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6th February 2008, 07:10 AM #7
Nothing that small for 24hr clocks
The smallest is the world time clocks which have a moveable dial to indicate where the person is and these are 90mm diameter.Jim Carroll
One Good Turn Deserves Another. CWS, Vicmarc, Robert Sorby, Woodcut, Tormek, Woodfast
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6th February 2008, 07:49 AM #8
Hi There
You could also try www.jknowles.com.auLindz
It's only a foot long, but I don't use it as a rule
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6th February 2008, 11:04 AM #9GOLD MEMBER
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Thanks for the suggestions. I am running out of time so have decided to go the easiest path and mount three 36mm clocks and let him work out the difference plus or minus.
Cheers,
Rod
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