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Re:Show HN: Combining UTC and local times (time zones) in on... by zamadatix on Wednesday October 20, 2021 @01:12PM (#28933208)
What's the obsession with knowing which daylight hour offset it would be for someone else? Wouldn't you rather know a range of hours that works for them rather than a range of hours you assume they'll be awake (and hopefully not busy)?

If the position of the sun is truly important to your use case then knowing a location is "UTC+9" as far as sunshine hours go is still able to tell you that without requiring you encode that information into the time value itself.

Re:Show HN: Combining UTC and local times (time zones) in on... by fao_ on Wednesday October 20, 2021 @02:27PM (#28934175)
> What's the obsession with knowing which daylight hour offset it would be for someone else?

This is already answered in the post you are replying to, so I assume this is you demanding an external source:

https://www.wikiwand.com/en/Circadian_rhythm

https://www.wikiwand.com/en/Sleep

Re:Show HN: Combining UTC and local times (time zones) in on... by zamadatix on Wednesday October 20, 2021 @09:29PM (#28939200)
My inquiry was not about or asking for proof of the idea people sleep at night rather why that info is preferred over more salient information as seen by continuing to the following, unquoted, sentence.
Re:Show HN: Combining UTC and local times (time zones) in on... by kaishiro on Wednesday October 20, 2021 @03:00PM (#28934673)
I don't believe parent was "demanding" anything. Simply asking an increasingly relevant question as work moves from office to home and the remote work pool expands.