[wp-trac] [WordPress Trac] #34435: get_gmt_from_date() returns incorrect value when 'timezone_tz' is 'Europe/London'

[WordPress Trac]

#34435: get_gmt_from_date() returns incorrect value when 'timezone_tz' is
'Europe/London'
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 Reporter:  danielbachhuber  |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Date/Time        |     Version:
 Severity:  normal           |  Resolution:
 Keywords:                   |     Focuses:
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Comment (by danielbachhuber):

 Oh. London apparently falls back on the last Sunday of October (e.g. today
 in `Europe/London`).

 I have no idea what this bug actually is, but apparently
 `get_gmt_from_date()` produces a different value than `gmdate()` in a
 maybe twice per year edge case.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34435#comment:1>
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