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Comment by david-cako | Hacker News Reader

I agree, but that's fundamentally a matter of how you think about time.

The more globalized your daily affairs are and the more "scientifically" you think, the more you will be drawn to a unix-time style of thinking. "Humanistic" times are designed to unify everyone around particular rhythms that have the same "names" for when work starts (9), when work ends (5), the middle of the day (12/noon), etc, regardless of where they live (and at the cost of actually meaning the same time wherever you live).

Those are even less meaningful if your schedule is based in weeks and months rather than days, though.

The humanistic factor of time zones is most useful for in-person, social stuff. In every other case I would prefer to tell someone what GMT time I wanted to get on the phone with them.

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There's a reason airlines work with "Zulu" time.

There is but how airlines and armies operate doesn't have a lot to do with how regular people operate--even those who are frequently coordinating and traveling across time zones.

Armies and airlines are filled with regular people, so it absolutely could work.

The resistance is cultural, not because people can't deal.

I'd love to be able to say we could schedule a call next Tuesday at 1900 and everyone knows exactly what that means without having to consult a look-up table.

Imagine coordinating between teams spread across Arizona, which doesn't do DST, New York, which does, Brazil, which does but for the southern hemisphere, and Europe, which has its own thing going on. Getting people on the same page is not trivial, each week can be a whole different set of time-zone offsets.

It'd be like switching from °F to °C which, once done, is not a problem, except of course if you have a stubbornly regressive administration like the US did in the 1980s.

Great, now you just need to convince every single clock in the United States to display 24-hour times, confiscate all the old clocks, and rewire the brains of ~300 million people to ignore the fact that it might be pitch dark at the same time that another location wants to discuss something important. Productivity would plummet among those people who aren't at all "night owls".

The resistance is cultural, and, let's just say people have strong opinions about these sorts of things. The fight against Celsius would be similarly difficult.

Good luck with that.

Yet somehow the entire world moved from °F to °C without freezing to death or dying of heat.

Honestly, it only takes one generation, they'll deal with the change and then the rest is history. of those ~300 million people, 20% are old and will never change, they'll always use legacy time, and 40% are young enough it's no big deal. The remainder will be inconvenienced, but will get by.

Besides, it'll give people something to complain about.

One of Obama's biggest missed opportunities was day 1 declaring the US was metricizing. This would've given conservatives something other than tan suits and mustard to rage against for the subsequent four years.

Except that we live in a physical world where not everything is perfectly measurable. Imperial units reflect this in their real-world analogues.

Moving to metric units would still result in the same fight, even if there is a greater possibility you could actually win.

I'm sure they could deal and there is absolutely no reason for them to have to. Just because some techies feel that some other system is a more logical approach isn't justification for normal people to pay any attention whatsoever to their ramblings.

If we all lived in thatched houses and rode around in horses and had no interaction with anyone more than ten miles away I'd agree with you, but that's not the case any longer.

Very few people are that isolated, and those that are probably don't care what time it is.

Changing the habits of ~4% of Earth's population would be a tough sell. No wonder the other efforts haven't worked out.

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