The SystemDateTimeValidation type exposes the following members.
Gets or sets the amount of time (in minutes) of acceptable variation between the current system's date/time versus the Internet time server's date/time. (5.0 by default)
Gets or sets the last error encountered in this object.(Inherited from SystemValidation.)
Gets or sets whether or not validation with an Internet time server is required. Internet connectivity is required if true. (True by default)