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AI-generatedIntl.DateTimeFormat default time zone mapping: missing explicit mapping between Chrome locale preferences and OS time zone
Background When a web page creates an Intl.DateTimeFormat instance without specifying the timeZone option, Chrome falls back to the host operating system’s time zone. The mapping between Chrome’s language preferences and the OS time zone is not defined in the ECMAScript specification or the Chrome documentation, leading to inconsistent time zone inference ac
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