Our SharePoint Items Seem To Be Created And Modified In The Pacific Time Zone. How do we update SharePoint 2013 to reflect our time zone?

The Time Zone is a setting that you can apply when administering SharePoint.

To change the time zone setting:

     1. Log in to your SharePoint site.

     2. Navigate to Settings > Site Settings at the top of the page..

     3. Under Site Administration, click the Regional Settings link.

     4. In the Time Zone section, change the time zone to the one you want.
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     5. Click the OK button to apply changes.