[tz] São Tomé and Príncipe tz change (Jan 1, 2019)

[Michael H Deckers]

   On 2018-12-29 23:50, Paul Eggert wrote about
   the time change in São Tomé near 2019-01-01:


>  I can't find anything like that this year, so we can leave the 
> transition time out (defaulting to 00:00 local time).
>

    This would be quite be confusing: there would be two
    New Year's in a row. Obviously, the step has to be done
    from 02 h to 01 h (or even later). That is corroborated
    by the decree 34/2018, online at
    [https://www.legis-palop.org/download.jsp?idFile=102818]:

       "A hora legal do Pais, que coincide com o tempo
        universal coordenado, será reposta às 2 horas, no
        dia 1 de Janeiro de 2019."
       [The legal time of the country, which coincides with
        universal coordinated time, will be restituted at 2 o'clock
        on day 1 of January, 2019.]

    The decree has been published on 2018-12-11.

    Michael Deckers.