Setting initial value of TimePicker

You reference is setting a timepicker from a string.. I don't want to store times as strings.

I note from the docs that this method is a TimeSpan

Methods
Value(System.Nullable<System.TimeSpan>)

Sets the value of the timepicker input 

I am storing the times as 'minutes since midnight'

Hence I have setting 

compared to the example you linked to which is

Thanks

Rob