[Webkit-unassigned] [Bug 225610] performance.now() does not tick during system sleep

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=225610

--- Comment #4 from Jonathan Mayer <webkit-bugzilla at mayerware.com> ---
(In reply to Alexey Proskuryakov from comment #3)
> I was talking about daylight savings time adjustment. Perhaps you are
> considering system clock adjusted for that.

I don't think daylight savings time is an issue, because the system clock (Date.now()) is defined in UTC and UTC doesn't have DST. DST doesn't actually adjust the system clock; it changes the mapping from the system clock to local time (like a time zone). The same mapping can be applied to the monotonic clock if helpful for a use case (new Date(performance.timeOrigin + performance.now())).

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