[tz] 1 s error in America/Adak and America/Nome

[Michael H Deckers]

    On 2017-06-12 15:23, Michael H Deckers wrote:

> +                         -9:00  1:00    YDT     1933 Sep 24

    but he meant
       +                         -9:00  1:00    YDT     1933 Sep 20

    Michael Deckers.