[wp-trac] [WordPress Trac] #55826: the first day of the week is Monday

[WordPress Trac]

#55826: the first day of the week is Monday
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 Reporter:  philll1234    |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:  6.0
 Severity:  critical      |  Resolution:
 Keywords:                |     Focuses:
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Comment (by philll1234):

 I checked everything - it doesn't work. I attach screenshots:
 1. I have installed the most up-to-date and fresh theme -
 https://ibb.co/nCx0Sz9
 2. All plugins are disabled - https://ibb.co/2614B80
 3. The problem is still relevant - https://ibb.co/cCxXGzZ
 (Sunday is the first in the list, on the left, and then it's Monday).
 In the settings is the first day of the week - Monday - screenshot -
 https://ibb.co/CmFkvD9

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Ticket URL: <https://core.trac.wordpress.org/ticket/55826#comment:2>
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