Github user WangTaoTheTonic commented on the issue: https://github.com/apache/spark/pull/15803 It's always better to show a timezone in table header, i think, no matter what the timezone it really uses. But changing to show GMT/UTC always? I have to say it's a bold move even there's a case that many drivers run at different timezones. If we're sure to do this, we need to make it known to users in form of like writing it into release notes, as UI is the most frequently-used interface. Current fix makes some sense, but easily makes people confused: when they check applications list, the time says "The time zone is GMT, and the time is 2016-01-01 15:00", but when they check details of applications they get "The Job 1 of this application starts at 2016-01-01 14:00 or 2016-01-01 12:30". This kind of inconsistance is unacceptable from my point.
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