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    Time

    Time is a measure in which events can be ordered from the past through the present into the future, and also the measure of durations of events and the intervals between them. Time is often referred to as the fourth dimension, along with the spatial dimensions.

    Time has long been a major subject of study in religion, philosophy, and science, but defining it in a manner applicable to all fields without circularity has consistently eluded scholars. Nevertheless, diverse fields such as business, industry, sports, the sciences, and the performing arts all incorporate some notion of time into their respective measuring systems. Some simple definitions of time include "time is what clocks measure", which is a problematically vague and self-referential definition that utilizes the device used to measure the subject as the definition of the subject, and "time is what keeps everything from happening at once", which is without substantive meaning in the absence of the definition of simultaneity in the context of the limitations of human sensation, observation of events, and the perception of such events.

    Daylight saving time

    Daylight saving time (DST) or summer time (see "Terminology") is the practice of advancing clocks during summer months by one hour so that light extends into the evening hours—sacrificing normal sunrise times. Typically, users of DST adjust clocks forward one hour near the start of spring and adjust them backward in the autumn to "normal" or regular time.

    New Zealander George Vernon Hudson proposed the modern idea of daylight saving in 1895. Germany and Austria-Hungary organized the first implementation, starting on 30 April 1916. Many countries have used it at various times since then, particularly since the energy crisis of the 1970s.

    The practice has received both advocacy and criticism. Putting clocks forward benefits retailing, sports, and other activities that exploit sunlight after working hours, but can cause problems for evening entertainment and for other activities tied to the sun (such as farming) or to darkness (such as fireworks shows). Although some early proponents of DST aimed to reduce evening use of incandescent lighting (formerly a primary use of electricity), modern heating and cooling usage patterns differ greatly, and research about how DST currently affects energy use is limited or contradictory.

    DST clock shifts sometimes complicate timekeeping and can disrupt meetings, travel, billing, record keeping, medical devices, heavy equipment, and sleep patterns. Software can often adjust computer clocks automatically, but this can be limited and error-prone, particularly when various jurisdictions change the dates and timings of DST changes.

    Daylight Saving Time Begins Sunday, March 8, 2015

    Daylight Saving Time Ends Sunday, November 5, 2017
    Last edited by Pete; November 4, 2017, 02:55 AM.
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    #2
    With the exception of one old wall clock in the kitchen and the clock in my old truck, every other time measuring device all reset perfectly. One old clock in the garage did not have to be reset because it was never changed last Fall......

    I would LOVE it if there was no measurement of time. Then I wouldn't notice how long it is taking me to migrate over to HS3.......
    .

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      #3
      Here my issue was the older water softener schedule and clock. While the control box is digital; the programming is almost machine language like; pushing the only buttons on the device in some wierd programming methodologies to get to the programming levels of the device including the time (its like pressing 4-5 buttons in some odd sequence).

      I missed a couple of devices and they did change automatically last weekend (not as scheduled this weekend).

      First time this year though I read about getting rid of DST as it's become more of a nuisance that functionally doing anything good for us.

      Funny too that the push was DST compliance with everything and now it looks like the implementation of DST created issues that wouldn't be there if DST didn't exist.

      Today in the garage near the workbench I installed one of the oversized round radio style clocks.

      Its a large very basic analog clock (14" in diameter or so) with a radio built in. You can test it's radio by pushing one button on the back and it will emit a radio ping sound for some 2-3 minutes to test its functions. It's build is prior to the last DST change and it did change fine by itself.
      Last edited by Pete; March 8, 2015, 02:30 PM.
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        #4
        A subtle reminder to turn back your clocks tonight for those places that observe DST.

        Daylight Saving Time Ends Sunday, November 1, 2015



        Daylight saving time (DST) or summer time is the practice of advancing clocks during summer months by one hour so that in the evening daylight is experienced an hour longer, while sacrificing normal sunrise times. Typically, users in regions with summer time adjust clocks forward one hour close to the start of spring and adjust them backward in the autumn to standard time.

        History

        A water clock. A small human figurine holds a pointer to a cylinder marked by the hours. The cylinder is connected by gears to a water wheel driven by water that also floats, a part that supports the figurine.
        Ancient water clock that lets hour lengths vary with season.

        Although they did not fix their schedules to the clock in the modern sense, ancient civilizations adjusted daily schedules to the sun more flexibly than modern DST does, often dividing daylight into twelve hours regardless of day length, so that each daylight hour was longer during summer. For example, Roman water clocks had different scales for different months of the year: at Rome's latitude the third hour from sunrise, hora tertia, started by modern standards at 09:02 solar time and lasted 44 minutes at the winter solstice, but at the summer solstice it started at 06:58 and lasted 75 minutes. After ancient times, equal-length civil hours eventually supplanted unequal, so civil time no longer varies by season. Unequal hours are still used in a few traditional settings, such as some Mount Athos monasteries and all Jewish ceremonies.

        Modern DST was first proposed by the New Zealand entomologist George Hudson, whose shift-work job gave him leisure time to collect insects, and led him to value after-hours daylight. In 1895 he presented a paper to the Wellington Philosophical Society proposing a two-hour daylight-saving shift, and after considerable interest was expressed in Christchurch, he followed up in an 1898 paper. Many publications credit DST's proposal to the prominent English builder and outdoorsman William Willett, who independently conceived DST in 1905 during a pre-breakfast ride, when he observed with dismay how many Londoners slept through a large part of a summer's day. An avid golfer, he also disliked cutting short his round at dusk. His solution was to advance the clock during the summer months, a proposal he published two years later. The proposal was taken up by the Liberal Member of Parliament (MP) Robert Pearce, who introduced the first Daylight Saving Bill to the House of Commons on 12 February 1908. A select committee was set up to examine the issue, but Pearce's bill did not become law, and several other bills failed in the following years. Willett lobbied for the proposal in the UK until his death in 1915.
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          #5
          Thanks Pete!


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            #6
            Here last year the only issue I had was relating to not DST friendly or adjustable IP HD cameras. I have since updated the firmware and the time settings are very easy to configure these days.

            The PFSense firewall is using a Sure evaluation board GPS/PPS for time sync.

            I used a cat5e cable to run the serial / PPS from the attic to the basement server.



            The newer GPS boards and antennas work great from inside of the attic.

            You can make an NTP time server with GPS/PPS today with an RPi2.
            Attached Files
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              #7
              6 Valid Reasons Daylight Saving Time Should Go Away Forever

              More time stuff...

              by Cate Carrejo an hour ago News (November 1, 2015 - 1600 see time)....interesting web site Bust le dot com...

              Early Sunday morning, the country practiced half of the old adage "Spring forward, Fall back" in honor of Daylight Saving Time. You won't hear too much grumbling this time of year about the time change because the jump for the winter season tends to work in peoples' favor. The falling back is better than the springing forward — most people got an extra hour of sleep, and college students got an extra hour to stay up partying on Halloween night. And changing your clocks doesn't suck as much as it used to either because most of them are automatic now. So DST isn't quite as bad as it used to be.

              But lack of inconvenience isn't exactly a good enough reason to keep Daylight Savings Time around, and it seems like there are several pretty good reasons to keep the clocks from changing. Only four months out of the year are "standard" time now (which defeats the purpose of calling it standard), and there's strong advocation for a year round Daylight Saving Time instead of the seasonal system that's used now. Bottom line, Daylight Savings doesn't make much sense anymore — here's six reasons why the U.S. should get rid of it.

              1) The Rationale Behind DST Is Irrelevant Now

              Daylight Saving was introduced by Germany in World War I to save electricity costs, and the U.S. adopted it in 1918. The thinking was that if people are coordinating the time with the sun, they will have natural daylight when they are awake and not use electricity. That was pretty smart 100 years ago, but it doesn't make as much sense now. People are going to stay awake with or without the sun, so the time might as well just stay consistent.

              2) It Actually Increase Electricity Use

              Indiana didn't adopt Daylight Savings until 2006, so researchers got a good chance to see whether it actually helped the state save on energy costs. Turns out it led to a 1 percent overall increase in consumer electric use, so the whole theory about saving fuel is definitely debunked.

              3) Losing Sleep Has Some Pretty Serious Negative Consequences

              Everyone loves gaining an hour in November, but having that time snatched away in March can feel like torture. But the lost sleep is more serious than most people realize — according to Time, there's an increased risk for heart attacks which comes just from having your sleeping schedule abruptly changed. Additionally, a couple hundred car-related deaths per year are attributed to Daylight Saving Time. It's not just inconvenient, it's downright dangerous.

              4) It's Not Universal, Which Is Super Confusing

              Arizona, Hawaii, Puerto Rico, and a few other U.S. territories don't use Daylight Saving Time, and let me tell you, it's very confusing to go there and try to figure out what time it is. Even more mind-boggling, the Navajo Nation in Arizona does use DST, so within the state, there's 2 different time zones. It's not fair to try and trip me up like that.

              5) It Gets Dark Way Too Early

              When the clocks fall back, the evenings start earlier and it sucks. In New York City, it's solidly dark by 5:30 p.m., which is just sad. Sunshine is hard enough to come by in the winter months, and if it's already dark by the time you're leaving work, you're actually more likely to get Seasonal Affective Disorder because of serotonin deficiency. If the evenings were longer, people could avoid that shock to their hormones that can trigger seasonal depression.

              6) It's Really Just A Joke At This Point

              People don't get why Daylight Savings is a thing, so everyone just treats it like a joke. It's an excuse to stay up a little later and tweet the time-traveling joke you've ben saving all year, but no one takes DST seriously.

              and from Steelers Lounge by Cathy Quinn....November 01, 2015 at 22:38...

              It is time to turn back your clocks for Daylight Saving Time 2015. The only adjustment we make for Daylight Saving Time is a mental one, when contacting relatives in the old country. Despite a widespread Facebook hoax several weeks ago, Saturday is the night to set your clocks back one hour as standard time resumes at 2 a.m. Sunday. "One of the biggest reasons we change our clocks to daylight saving time is that it saves energy", according to www.energy.ca.gov/daylightsaving.html. Keep up with your routine and you will get them back on track. Otherwise, going to sleep and waking up 10 to 15 minutes later each day this week before the time changes might be an easier way to adjust. KIMT.com reminds everyone that when you change the clock, the batteries in your smoke detectors should also be replaced. Just to show you how important this is Deputy Chief Vance Swisher of the Rochester Fire Department offers the stats. While you're at it, also remember it's time to change the batteries in your smoke detectors. Daylight saving time ends at 2 a.m. Sunday. Maybe once upon a time, you enjoyed having that extra hour of sleep... that was before you had kids. Contrary to popular belief, no federal rule mandates that states or territories observe daylight saving time. A few areas of Canada not using Daylight Saving Time include Fort St. John, Charlie Lake, Taylor and Dawson Creek in British Columbia, Creston in the East Kootenays, and most of Saskatchewan (except Denare Beach and Creighton). That will give you an extra hour of sleep this weekend, even though it will mean most people will be driving in darkness for evening rush hour during the coming winter months. We have been following this time adjustment in the USA officially since the 60s when the Uniform Time Act was enacted by Congress. Other states have tried to pass bills that would end daylight saving time and failed. Most of the U.S observes DST, except for Hawaii and most of Arizona, as well as Puerto Rico, the U.S. Virgin Islands, American Samoa and Guam. Many countries have used it at various times since then, particularly since the energy crisis of the 1970s. Steelers Lounge.

              And a little bit of some Back to the Future stuff (well not really)...

              Last edited by Pete; November 1, 2015, 05:24 PM.
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                #8
                Daylight Saving Time Begins Sunday, March 13, 2016

                Just a bump and reminder folks.

                On Sunday, March 13, 2016 at 2:00 a.m., the clocks “spring forward” for Daylight Saving Time in the USA and it lasts until 2:00 a.m. Sunday, November 6, 2016. The time change always starts on the second Sunday in March each year and the clocks should be set to 3:00 a.m. once 2:00 a.m. rolls around (technically Saturday night). Cell phones and electronics should automatically reset. Any other clocks will have to be manually set. With the clocks being moved forward, this means that many will lose an hour of sleep.

                Britain introduced daylight saving time 100 years ago – and was quickly followed by countries worldwide.
                Love it or hate it, there’s a stubborn British campaigner you can thank.

                By Richard Mellor
                11 March 2016

                He lived in the south-east London suburb of Chislehurst. He was a builder. He was of average wealth. His name was William Willett and without him Britain – and a quarter of the world, including the US – might never have adopted daylight saving time (DST).

                A lover of open spaces, Willett was horseback riding one summer morning in 1905 when, ruefully, he observed how many curtains remained drawn against the sunlight. A solution occurred to him: why not move the clocks forward before each summer began?

                Willett wasn’t the first to conceive of such a measure. Ancient civilisations shortened and lengthened days depending on the season – a Roman hour, for instance, could last 44 minutes during winter, but 75 in summer. In 1895, New Zealand entomologist George Hunter had proposed a two-hour shift but saw his idea derided. Six years later in 1901, King Edward VII put the clocks back 30 minutes at Sandringham so he could hunt for longer.

                But it took Willett for DST to – eventually – come to pass. By 1907, he had self-published a pamphlet, Waste of Daylight, which advocated that time be advanced by four 20-minute increments during April, then similarly reversed in September. Along with more recreational opportunities, Willett said, this would lower lighting costs.

                His cheerleaders included prominent politicians like David Lloyd George and a young Winston Churchill, then president of the Board of Trade. Discussing the newly-proposed Daylight Saving Bill, Sherlock Holmes author Arthur Conan Doyle also came out in favour, though he disliked Willett’s fastidious adjustments. “A single alteration of an hour would be a round number, and cause less confusion,” Conan Doyle said before the bill’s select committee.

                But crucially, the opponents included Prime Minister Herbert Asquith. The bill was narrowly defeated in 1909 as were subsequent proposals. Tinkering with time was, it seemed, too radical a move – even for the reformist Liberal government. Undeterred, Willett continued to furiously campaign in Britain, Europe and America until dying from influenza in 1915.

                Just a year later, a revised version of his scheme was finally accepted due to the most extenuating circumstance of them all: war.

                Two years into the World War One, Britain was running desperately short on coal – the chief source of power for its industry and households. “Not only was there increased demand to fuel the navy, railways and armaments industry, but Britain had to supply allies whose coalfields were German-occupied, plus thousands of miners had volunteered for service,” says David Stevenson, history professor at the London School of Economics.

                Willett’s ideas promised relief: longer evenings and less demand for coal-powered lighting. After Germany ratified a DST bill on 30 April 1916, Britain promptly followed suit with its own Summer Time Act, passed on 17 May.

                Such copycat behaviour was commonplace, Stephenson says. “Britain had long been borrowing from Germany – many British politicians and intellectuals were fascinated by the country as an example of superior national efficiency,” he says.

                According to the new law, civil time would be advanced one hour ahead of Greenwich Mean Time during the newly-defined British Summer Time. Several other European nations soon followed suit, along with the US – coining its famous mnemonic of ‘spring forward, fall back’ – as well as Uruguay, New Zealand, Chile and Cuba.

                Double-time it

                Britain went on to witness occasional deviations. During World War Two, it operated two hours ahead of GMT in so-called Double Summer Time, once more to cut industrial costs. Trialled between 1968 and 1971 was British Standard Time, which advanced clocks by an hour year-round. Characterised by children wearing fluorescent armbands on inky winter mornings, it proved deeply unpopular.

                Ever since, recurrent parliamentary bills have challenged DST. Not just in Britain, either: daylight saving measures are constantly being introduced, amended, disputed or ditched somewhere around the world.

                Why is it such a contentious subject? Chiefly because the pros never convincingly overwhelm the cons. For every compelling DST argument, there’s always a persuasive counter. Broadly speaking, DST is thought to aid retail, sports and tourism – but hurt those in agriculture and mail delivery.

                No one is better versed in the debates than David Prerau, author of the book Seize The Daylight. “DST is generally thought to reduce energy usage, traffic accidents and outdoor crime and to bring a better quality of life,” he says. “But the negatives include dark mornings – a problem especially for schoolchildren and farmers – and a jetlag effect on sleep patterns.” A recent Finnish medical study even tied DST to strokes, blaming the disruption to the body’s circadian rhythms.

                Often, clock changes are a political tool. While celebrating 70 years of liberty last August, North Korea moved its clocks back 30 minutes, returning to a time zone it utilised prior to Japan’s occupation – which the state news agency said was done to "root out the legacy of the Japanese colonial period.”

                Of the world’s population of 7.4 billion, around one-quarter use DST. Prerau is in no doubt about who deserves the credit. “The passage of DST laws came directly from William Willett's efforts,” he says.

                Inspecting Willett’s plain grave outside Chislehurst’s sleepy St Nicholas Church, it seems scarcely believable that he had such long-term global influence.

                Locally, Willett’s legacy is acknowledged with a pub called The Daylight Inn, a plaque on his old home, roads bearing his name and letters, documents and photographs displayed at the Chislehurst Society’s new community hall. But does he merit wider recognition?

                “Definitely,” says Joanna Friel of the Chislehurst Society. “Willett campaigned so passionately, and simply refused to give up. He was a remarkable, and ultimately very important, figure.”

                One of Willett’s great-great-grandsons is Chris Martin, lead singer in the British rock band Coldplay. The opening lyrics of their single Clocks – “the lights go out and I can't be saved” – contain a possible reference to DST.

                This year, Coldplay are headlining Glastonbury Festival. They’ll take the stage at about 22.15 on Sunday 26 June, almost exactly as dusk falls, thanks to British Summer Time.


                Whether you’re relishing the light-filled evening outdoors or in, spare a thought for William Willett: the man who changed time.

                A bit of Daylight Savings: Spring Forward entertainment

                Last edited by Pete; March 12, 2016, 07:23 PM.
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                  #9
                  A subtle reminder to turn back your clocks tonight for those places that observe DST.

                  Daylight Saving Time Ends Sunday, November 6, 2015



                  Daylight saving time (DST) or summer time is the practice of advancing clocks during summer months by one hour so that in the evening daylight is experienced an hour longer, while sacrificing normal sunrise times. Typically, users in regions with summer time adjust clocks forward one hour close to the start of spring and adjust them backward in the autumn to standard time.
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                    #10
                    I have a few time triggers that always get confused at the time change. Not so much in the Fall, but in the Spring.

                    I try to avoid having events trigger between 1:00 and 3:00 AM, though there are a few that will trigger twice this Sunday morning. (Nothing critical triggers between 2:00 and 3:00 AM)

                    The Spring change creates an unavoidable time gap which sets off a flurry of watchdog warning messages that such-and-such hasn't triggered in over an hour. I wish there were an easy way to avoid them, but I haven't come up with a scheme I like, so I just ignore them. Anyone have a strategy to share?
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                      #11
                      Originally posted by Uncle Michael View Post
                      Anyone have a strategy to share?

                      Yeah, I do. You could choose to operate on "bohemian standard time" and just never change your clocks. Screw this. I'm going to solar time.
                      Originally posted by rprade
                      There is no rhyme or reason to the anarchy a defective Z-Wave device can cause

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                        #12
                        http://www.history.com/this-day-in-h...rst-time-zones

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                          #13
                          I am guessing that the spring and fall time changes will be going away as they serve and have served no real purpose today.

                          US time zones will remain in place.

                          When this happens it will cause the same sort of debacles when there were changes done in the year 2000 and with the last adjustments of time changes done.

                          Time will remain static with no spring or fall adjustments.
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