Look in API viewer for more functions and declares
Here is what you asked for, I am sure you will need more info. Just look in the API viewer that comes with VB.
Public Type TIME_ZONE_INFORMATION
Bias As Long
StandardName(32) As Integer
StandardDate As SYSTEMTIME
StandardBias As Long
DaylightName(32) As Integer
DaylightDate As SYSTEMTIME
DaylightBias As Long
End Type
Public Declare Function GetTimeZoneInformation Lib "kernel32" Alias "GetTimeZoneInformation" (lpTimeZoneInformation As TIME_ZONE_INFORMATION) As Long