Port is an IdPort property that indicates the well-known port number used for the UnixTime Protocol (utime) client. The default value for Port is IdPORT_utime as assigned during initialization of the component. 

The scope of the Port property is changed to published in TIdUnixTime. 

Set the value in the Host property prior to calling methods or acccessing properties that require utime protocol exchanges. For instance, calling the SyncTime method or accessing the value in the DateTimeCard property.

Host SyncTime DateTimeCard