Error trying to publish immediately. Post status = future (Missed schedule error)

So the issue in this case was that PHP wasn’t displaying correct UTC Time. Thanks to @TomJNowell for pointing me in the right way.

It seems to be a bug/error in some Plesk installation: https://talk.plesk.com/threads/utc-time-issue-plesk-php-7-3-7-4-on-centos7.356169/

To solve the issue we have replaced the UTC file usr/share/zoneinfo/UTC with another copy from another server.

After that, UTC time and Local time appears perfect and we can be able to publish inmediately.

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