Excel VBA - Time Zone Conversion

Create functions in simple xls file that get the current time zone of end-user and convert to a different time zone. You must find current time zone so that you can convert correctly. Use the time zones that are found in Date and Time Properties in the bottom right hand corner of Windows. There are about 30 of these. Conversion should occur within selected cells. ConvertToEastern would be one function ConvertToPacfic would be another function etc