GetTimeZoneID Method
The GetTimeZoneID method of the SPRegionalSettings class returns the ID of the time zone used on the site based on the specified time zone settings.
Parameters
tzi A Microsoft.SharePoint.SPTimeZoneInformation structure that contains information about the time zone.
Return Value
An unsigned 16-bit integer ID that specifies the time zone.
Requirements
Platforms: Microsoft Windows Server 2003
Security: Code Access Security