Sorry, when I said " making a clock", in my previous post, I meant "making a sundial".
Michael Ossipoff On Fri, Aug 31, 2018 at 10:17 PM Michael Ossipoff <email9648...@gmail.com> wrote: > Another thing: If your clock is giving time that's an hour ahead ofTrue > Local Solar Time (French Hours), then, to get clock time, you still have to > add he equation-of-time. Looking that up is more work than just adding an > hour. So no significant clock-time-ease is gained by making your dial an > hour ahead of LTST. > > (Unless you're really going all-out, and making a clock that automatically > deals with Eq.T, and reads directly in Standard Time or DST--But, as I > said, why do it???.) > > Michael Ossipoff > > > On Fri, Aug 31, 2018 at 10:09 PM Michael Ossipoff <email9648...@gmail.com> > wrote: > >> >> One more thing: In the U.S., the time-zone boundaries usually or at least >> nearly always follow state boundaries. That results in some extremes that >> result in people being out unnecessarily in the dark. So, instead, the >> time-zone boundaries should be meridians. The intended time-zone >> middle-meridians would be the middle-meridians, and the boundaries would be >> the meridians 7.5 degrees east and west of that middle-meridian. >> >> In the U.S., the middle-meridians should and would be 75, 90, 105, and >> 120 west longitude. >> >> Europe, too, would surely benefit from meridians instead of >> country-boundaries as time-zone boundaries. >> >> Oh, and just one more thing: >> >> Why would you want a sundial to tell clock-time??? >> >> If you want clock-time, put up a clock. >> >> Sundials give a time that a clock doesn't give: Local True Solar Time. >> LTST is of interest. ...aesthetic and practical. More meaningful in every >> way, in fact, other than business and other interpersonal affairs, for >> which Standard-Time is convenient. >> >> Of course LTST is also called French Houirs. >> >> If you want a sundial to tell other kinds of time, Babylonian hours &/or >> Co-Italian hours are of interest, for their own sake, in addition to having >> practical relevance. >> >> Michael Ossipoff >> >> Michael Ossipoff >> >> >> >> On Fri, Aug 31, 2018 at 10:21 AM Douglas Bateman via sundial < >> sundial@uni-koeln.de> wrote: >> >>> Diese Nachricht wurde eingewickelt um DMARC-kompatibel zu sein. Die >>> eigentliche Nachricht steht dadurch in einem Anhang. >>> >>> This message was wrapped to be DMARC compliant. The actual message >>> text is therefore in an attachment. >>> >>> >>> ---------- Forwarded message ---------- >>> From: Douglas Bateman <douglas.bate...@btinternet.com> >>> To: Steve Lelievre <steve.lelievre.can...@gmail.com> >>> Cc: Sundial list <sundial@uni-koeln.de> >>> Bcc: >>> Date: Fri, 31 Aug 2018 15:21:02 +0100 >>> Subject: Re: EU backs ending Daylight Saving Time >>> Steve, >>> >>> Looking at the report, the headline should surely read EU backs >>> *permanent* daylight saving time. >>> >>> The term daylight saving could then be dropped. >>> >>> During these debates and arguments many forget to ask the question (as >>> Brian hints) as to why DST and Double DST was introduced in WW1 and WW2. >>> >>> Regards, Doug >>> >>> On 31 Aug 2018, at 14:37, Steve Lelievre < >>> steve.lelievre.can...@gmail.com> wrote: >>> >>> >>> One of the annoying parts of sundial design is having to decide whether >>> to accommodate Daylight Savings Time or not, so I'm pleased to hear that >>> the EU Commission is proposing to do away with it. See BBC's report at >>> http://www.bbc.co.uk/news/world-europe-45366390 >>> >>> I hope they go through with it, and non-EU countries follow their lead. >>> >>> In Canada we even have the ridiculous situation that some locales use >>> DST and some do not, even within the same province. Madness! >>> >>> Steve >>> >>> >>> --------------------------------------------------- >>> https://lists.uni-koeln.de/mailman/listinfo/sundial >>> >>> >>> --------------------------------------------------- >>> https://lists.uni-koeln.de/mailman/listinfo/sundial >>> >>>
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