NEW218604
[JSC] Make a bit more consistent for local time parsing 
https://bugs.webkit.org/show_bug.cgi?id=218604
Summary [JSC] Make a bit more consistent for local time parsing
Yusuke Suzuki
Reported 2020-11-05 01:00:52 PST
(In reply to Joren Broekema from comment #9) > I looked a bit further. > https://en.wikipedia.org/wiki/Daylight_saving_time#History gives some > background on why this is happening for certain years. Also, I don't think > Intl is at fault, I have issues with the native Date parsing process > > > new Date('1939-12-06') > < Wed Dec 06 1939 01:00:00 GMT+0100 (CET) > > > new Date('12/06/1939') > < Wed Dec 06 1939 00:00:00 GMT+0100 (CET) > > So it parses it differently based on how you supply the date string. This is different issue from this bug. I think one format is parsed as local time, an the other is parsed UTC.
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Yusuke Suzuki
Comment 1 2020-11-05 01:03:56 PST
We should get rid of wtf/DateMath.h's local time calculation. This should be done through icu::TimeZone's cache.
Radar WebKit Bug Importer
Comment 2 2020-11-12 01:01:20 PST
<rdar://problem/71317850>
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