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.
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  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.