[wp-trac] [WordPress Trac] #48623: WP 5.3 time problem causes day number shifts in permalinks

[WordPress Trac]

#48623: WP 5.3 time problem causes day number shifts in permalinks
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 Reporter:  steevithak                |       Owner:  (none)
     Type:  defect (bug)              |      Status:  new
 Priority:  normal                    |   Milestone:  5.3.1
Component:  Date/Time                 |     Version:  5.3
 Severity:  major                     |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
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Comment (by steevithak):

 Replying to [comment:20 Rarst]:
 > Yep, likely same thing. Please try dropping any and all
 `date_default_timezone_set()` calls (not counting WordPress core boot
 itself).

 Ok, thanks! I'll remove it tonight and report back. Should I expect any
 other side-effects from removing it that I'll need to clean up? Or is the
 removal expected to fully fix the time shift problem?

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Ticket URL: <https://core.trac.wordpress.org/ticket/48623#comment:25>
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