On Mon, 27 Apr 2026 21:41:12 GMT, Naoto Sato <[email protected]> wrote:

> I don't think it only contains historic records. I downloaded the tz file 
> from their web 
> (https://data.iana.org/time-zones/releases/tzdata2026b.tar.gz), and it 
> contains the following in `northamerica` file:
> 
> ```
> Zone America/Vancouver  -8:12:28 -  LMT 1884
>             -8:00   Vanc    P%sT    1987
>             -8:00   Canada  P%sT    2026 Mar  9
>             # Temporary hack; see above.
>             -8:00   1:00    PDT 2026 Nov  1 02:00
>             # End of temporary hack.
>             -7:00   -   MST
> ```
> 
> This corresponds to the added comment above:
> 
> ```
> #   1.  As a temporary hack, pretend that the BC law takes effect
> #   not on 2026-03-09 at 00:00, but on 2026-11-01 at 02:00.
> ```
> 
> The `America/Vancouver` zone should be updated.

Good catch Naoto. Sigh - I had also downloaded tzdata2026b and constructed an 
JDK patch independently of this PR. Apart from the Copyright noise in tzdata 
files, I thought it was only commentary that was being changed. Sigh.

Kieran - please log a follow on JBS issue.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/30950#issuecomment-4332750867

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