get User time instead of system time

Hi .

I am facing an issue in which my dev box run at australian time zone and I am testing the code from indian time zone , so the requirement is such that we need to get the user time zone instead of getting system time zone .... I know I can get system date time by using getSystemDateTime() .but how to get the local current time zone in with the user is testing .In simple words I want to get windows time whatever is there .