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Kentico allows you to specify when a page is published. When you edit a in the Pages application page on its Form tab, you can typically find the Publish from/Publish to fields at the bottom of the form:
When you set the Publish from/Publish to values, the page will be displayed on the website only during the given time period.
If the page is outside of the set Publish from/Publish to interval, i.e., the page is not yet published or the Publish to time is in the past, the page stays visible for you in the content tree of the Pages application and behaves as an unpublished page. You can always change the Publish from/Publish to values to republish or unpublish the page.
If you set the Publish from/Publish to values to pages that use workflow, they still need to be approved before being published. Once approved, the page is published by a scheduled system process. The process is set to execute every minute by default. The process only publishes the page if the page already reached its Publish from time. You can check the status of this process in the Scheduled tasks application. Choose the website and search for the Content publishing task.
Time zones
If time zones are enabled, the day and time values in the Publish from/Publish to fields are displayed in a format relative to the appropriate time zone. Otherwise the date and time values are relative to server time. See Configuring time zones for more information.