Change “Current regional settings” value in VS 2015 BIDS – SSRS

In BIDS for VS 2012/VS 2015 a right-click on the design surface didn’t show a localization screen. Hit F7 to edit the underlying code of the report where you can find the appropriate node and change it to your local setting:

      ....</ReportSections>
      <Language>en-GB</Language>
      ...
  </Report>

Replace <Language>en-US</Language> by <Language>en-GB</Language>
=FormatDateTime(Fields!UpdateDateTime.Value,dateformat.GeneralDate)

11/02/2018 17:01:25