NEW 138427
Incorrect timezone information used for British Standard time for 1970 
https://bugs.webkit.org/show_bug.cgi?id=138427
Summary Incorrect timezone information used for British Standard time for 1970
Boris Zbarsky
Reported 2014-11-05 08:58:02 PST
Consider this expression: (new Date(0)).toLocaleString() When run in the UK timezone, JavaScriptCore returns: "January 1, 1970 at 1:00:00 AM GMT+1" which is correct: at the time BST was GMT+1 due to he British Standard Time experiment; see http://en.wikipedia.org/wiki/British_Summer_Time#Periods_of_deviation However this expression: +(new Date(1970, 0, 1)) returns 0 in JavaScriptCore, whereas the correct value is -3600000, because the provided date/time is in local time, which was one hour ahead of GMT in 1970.
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