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Governments Worldwide Consider Ditching Daylight Saving Time

scientificamerican.com

211–220 of 282 posts

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#211

What will it take for this to ACTUALLY happen? Every time change, I hear folks talk about how we should move to permanent DST, but nothing changes. I am tired of getting my hopes up.

Hillary Clinton supported getting rid of DST. Vote people into power who prioritize making the shift.

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#212
post #88

Earlier quoted context omitted.

> the software perspective of keeping up with DST is very costly. To be clear, the software perspective is to use Unix time instead.[0] [0] https://en.wikipedia.org/wiki/Unix_time

Unix time says nothing about which timezone you're in.

I think that's the point

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#213
post #210
post #207

Earlier quoted context omitted.

Perhaps no one likes changing. But I bet, especially in mid-northern latitudes, that a lot of people really don't like having to choose between: - sending kids to school, driving, and doing outdoor work in winter pitch black and - having the sun streaming through windows at 4am in the summer at the cost of an hour of long summer evening even less appealing.

You do know that institutions such as schools can change the time they start, right?

It actually can be quite difficult as school start time isn't independent of many other schedules, including school buses picking up other grades starting later. So, no, they can't necessarily. Kids going to school in the dark was one of the major reasons cited for not renewing the all-year DST experiment. I suppose you could find a way to change or just give them flashlights but, in any case, it was a public issue in the past.

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#214
post #12

Social issues aside, the software perspective of keeping up with DST is very costly. Every time any government entity anywhere on Earth changes its mind about what zone they're in and when, the IANA needs to reissue the TZDB. Then every OS and platform vendor needs to patch up to a new TZDB. Just for laughs, Java seems to have its own TZDB so in general your OS and application layer might disagree about zones. This i…

> Just for laughs, Java seems to have its own TZDB

Well, there is also Joda time and icu4j that have their own TZDB which caused me one very stressful day until we found this fact.

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#215
post #12

Social issues aside, the software perspective of keeping up with DST is very costly. Every time any government entity anywhere on Earth changes its mind about what zone they're in and when, the IANA needs to reissue the TZDB. Then every OS and platform vendor needs to patch up to a new TZDB. Just for laughs, Java seems to have its own TZDB so in general your OS and application layer might disagree about zones. This i…

> Just for laughs, Java seems to have its own TZDB Well, there is also Joda time and icu4j that have their own TZDB which caused me one very stressful day until we found this fact.

To the original point, then there’s people like me that spend time actively ripping out “vendored” copies of tzdb in OSS libs to make them instead use “the one true copy” that is itself painstakingly kept accurate everywhere. Then add the extra time required to update those patches when new versions are released... Copying/vendoring dependencies like that is a great shortcut for a project but creates a huge hassle in large systems (a single OS counts, thousands of packages).

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#216
post #177

Earlier quoted context omitted.

The problem with that in more northern latitudes is permanent DST pushes the morning commute deep into darkness. From a safety perspective, if you have to have one of the morning or evening commute in darkness, it is safer to have that one be the evening commute. There are a couple reasons for this. 1. Mornings tend to be colder than evenings. In fact, the early mornings before sunrise are often the coldest time of t…

Then maybe people don’t need to work at the same time in the winter, or work fewer hours. Maybe let’s take advantage of the efficiencies that technology has provided.

If we had that kind of flexibility, it would actually be a further argument against permanent DST. If people want the extra summer daylight to occur after work instead of split between before and after, go to work earlier or work fewer hours.

If we could get that kind of flexibility, it would be great. People could aim for the biologically best schedule, which would be to go to sleep at night without setting an alarm and let the rising light in the morning wake you up.

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#217

Earlier quoted context omitted.

EU voted to end it in 2019 (pretty decisively, 410 in favour and 192 against), and 2021 was supposed to be the final year. Unfortunately, it was postponed once again because of the pandemic. The implementation plan is for every country to choose which timezone to stay in (summer or winter), and I guess now is not the time for nations to figure out between themselves which timezone to stay in.

Here's hoping we can finally end the madness of having (temporary) UTC+2:00 in places west of Greenwich.

Why does it matter? It's part of the culture of those places now (eg late lunch/dinner in spain).

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#218

Earlier quoted context omitted.

You can have it be closer to 12 than to 1 with only 24 timezones though.

Well, I want it closer to 1 than to 12. It’d be weird for 1 PM to be less directly overhead of a sun than 11:30 AM. // Pure opinion, formed living in southern U.S., northern Europe, and equatorial Africa. But ... I could get over it.

As someone who grew up in a permanent DST (true noon closer to 13:30 on average) north of 60° I can tell you that you probably wouldn’t want to be a teenager forced to wake up 3-4 hours before sunrise in large part of the winter. Health experts from said country don’t want that either for the general population and have advised the government to move to a permanent standard time instead, an advice which the government has since chosen to ignore.

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#219
post #216

Earlier quoted context omitted.

Then maybe people don’t need to work at the same time in the winter, or work fewer hours. Maybe let’s take advantage of the efficiencies that technology has provided.

If we had that kind of flexibility, it would actually be a further argument against permanent DST. If people want the extra summer daylight to occur after work instead of split between before and after, go to work earlier or work fewer hours. If we could get that kind of flexibility, it would be great. People could aim for the biologically best schedule, which would be to go to sleep at night without setting an alarm…

I wouldn’t care what time it is as long as it doesn’t change back and forth during the year.

Re: Governments Worldwide Consider Ditching Daylight Saving Time

#220
post #69

I think permanent DST makes more sense. The best hours of the day are in the evening. Folks are off from work, kids are home, the heat of the day is gone. It’s a great time to get out to a park or a stroll.

I like DST too. (I'm at 55.4° N.) It would probably be a bit much in the winter for many, though, as daylight here would end up something like 9 am-6 pm. Very dark in the mornings, and you don't get much in the way of extra useful evening times.

The biggest win with DST is probably in the 40s of latitude or so. A lot further south and you don't have as much variation of light across the year so you might as well pick a suitable timezone and stick with it. A lot further north and there just isn't enough light in the winter to effectively use on a workday if you're indoors and there's lots of light in the summer so picking the ideal wakeup time isn't a big deal.
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