[wp-trac] [WordPress Trac] #51150: WP5.5 Scheduled Post - Timezone issue

[WordPress Trac]

#51150: WP5.5 Scheduled Post - Timezone issue
--------------------------+------------------------------
 Reporter:  papayoulele   |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Date/Time     |     Version:  5.5
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Old description:

> Following WP5.5 update, we observed a timezone issue with the WordPress
> "Schedule a Post" feature.
>
> According to https://make.wordpress.org/support/user-
> manual/content/posts/schedule-a-post/ , the input box to select the time
> should match the timezone defined in the Wordpress General Settings.
>
> Since the update, we observed that the input box timezone matches the
> browser/OS timezone instead of the wordpress settings' timezone.
>
> How to reproduce
>
> - Set the client OS (e.g. windows) timezone to Canada (UTC-06)
> - In Wordpress settings > general : set the timezone to Brussels (UTC+01)
> - Make sure the server timezone is also Brussels
> - Try to schedule a post by typing the current client OS time in the
> input box (e.g. 11h00)
> - The UI displays that the post is scheduled 7h later : 19h00
>
> A linked issue is that the "scheduling" button is transformed into the
> "publish" button when inputting time anterior to the server time for the
> current date. The consequence is that such posts are instantly published
> instead of scheduled. Such posts can thus no longer be scheduled at the
> wished time.

New description:

 Following WP5.5 update, we observed a timezone issue with the WordPress
 "Schedule a Post" feature.

 According to https://make.wordpress.org/support/user-
 manual/content/posts/schedule-a-post/ , the input box to select the time
 should match the timezone defined in the WordPress General Settings.

 Since the update, we observed that the input box timezone matches the
 browser/OS timezone instead of the wordpress settings' timezone.

 How to reproduce

 - Set the client OS (e.g. windows) timezone to Canada (UTC-06)
 - In Wordpress settings > general : set the timezone to Brussels (UTC+01)
 - Make sure the server timezone is also Brussels
 - Try to schedule a post by typing the current client OS time in the input
 box (e.g. 11h00)
 - The UI displays that the post is scheduled 7h later : 19h00

 A linked issue is that the "scheduling" button is transformed into the
 "publish" button when inputting time anterior to the server time for the
 current date. The consequence is that such posts are instantly published
 instead of scheduled. Such posts can thus no longer be scheduled at the
 wished time.

--

Comment (by Rarst):

 Sounds like related or duplicate of #50949

 You could try installing the latest Gutenberg as plugin and see if that
 helps, reportedly it doesn't have the issue.

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Ticket URL: <https://core.trac.wordpress.org/ticket/51150#comment:1>
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