[tz] How can I add a new time zone: 'America/Joao Pessoa'?

Hi all! How can I add a new time zone? I'd like add 'America/Joao Pessoa'. Joao Pessoa[1] is the capital of Paraiba state, in Brazil. [1] https://en.wikipedia.org/wiki/Jo%C3%A3o_Pessoa,_Para%C3%ADba Best Regards, -- --fx