this post was submitted on 21 Nov 2024
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I am also a fan of permanent DST as it would give more evening light in the winter, but would begrudgingly accept permanent standard time as it's still better than the clock-switching we do now
Standard time is better for the health of the population, especially in teens. There's a ton of research on the subject.
But standard time gives different hours based on your lat/long position. Eastern has about 45 min later daylight, western has 45 min earlier sunrise. So one standard doesn't give all provinces the same daylight range, it is shifted
opposite
I mean in Vancuver BC longest summer, official daylight is 5:05am, but twilight is 4:23am. Toronto daylight in longest summer day starts about 5:35 (twilight at 5am) The twilight here is super bright. East coast gets more daylight in winter I think
The eastern part of a time zone has earlier sunrise/sunset than the western part of that same time zone. A little past Detroit would have Vancouver times.
Maybe winter, but if you check longest Sumner day as a common point, Vancouver has earlier sunrise by 25-30 minutes, and earlier twilight by 40..compared to detroit. I have lived in both areas . It is also not just about the time zone positions laterally because the sun shadow is at an angle compared to longitude due to precession angle I assume. If you lookup sunshadow animations you will see what I mean.