StandardTime Element (Regional Settings)
SharePoint 2010
Published: May 2010
Used in TIMEZONE.XML (%ProgramFiles%\Common Files\Microsoft Shared\web server extensions\14\CONFIG) to contain both the bias in minutes that standard time for a time zone differs from Coordinated Universal Time (UTC), and the date on which standard time begins.
<StandardTime> <Bias> </Bias> <Date> ... </Date> </StandardTime>