This is a setting that you can apply when administering SharePoint.

To change the time zone setting:

  1. Log in to CONTROL PANEL and navigate to Services > SharePoint.
  2. Click on the link to access your SharePoint site and supply your Administrative username and password.
  3. Click Site Actions > Site Settings at the top of the page.

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

  5. In the Time Zone section, change the time zone to the one you want.

  6. Click OK to apply the changes.