Excellent work, Saul. Congratulations! Your scripts save a lot of time.

Please add Portuguese language to sg-calendar and sg-platonic-calendar scripts, this will be useful for users in many countries like Brazil, Portugal, Angola, Mozambique and others (+270 million Portuguese speakers around the world):

    ( ; "Portuguese"
        ("Janeiro"       "Fevereiro"    "Março"       "Abril"
         "Maio"          "Junho"        "Julho"       "Agosto"
         "Setembro"      "Outubro"      "Novembro"    "Dezembro")
        ("Segunda"       "Terça"        "Quarta"      "Quinta"
         "Sexta"         "Sábado"       "Domingo")
        #f)

Thanks in advance.

Best regards,
Daniel Silvestre