On 29/04/2020 12:12, Adriano dos Santos Fernandes wrote:
In Linux (Ubuntu as least) and probably MacOS, the ICU time zone
database is not maintained updated in an Ubuntu release. I guess even if
they rebuild and update the library, it still comes with the original tz
database.
So the process of update tz data with *.res files should be for all
platforms.
I don't claim any expertise on linux time zone files. However, there is
a ubuntu package "tzdata" which claims to include all the timezone
files. I am currently using Linux Mint 19.3 (ubuntu 18.04) and the most
recent changelog entry for my version of the tzdata package is:
tzdata (2019c-0ubuntu0.18.04) bionic; urgency=medium
* New upstream version, affecting the following future timestamps:
- Fiji's next DST transitions will be 2019-11-10 and 2020-01-12
instead of 2019-11-03 and 2020-01-19.
- Norfolk Island will observe Australian-style DST starting in
spring 2019. The first transition is on 2019-10-06.
-- Adam Conrad <adcon...@ubuntu.com> Fri, 20 Sep 2019 03:11:15 -0600
which seems pretty recent to me. This is also the current version for
16.04 and 19.04. Checking the ubuntu package webpage, it looks like
2019c-3 has been rolled out to 19.10. Although the changelog suggest
nothing important in the minor patch.
The most recent Debian version is 2020a-1 (released 4 days ago). so I'll
be interested to see how quickly that feeds down to ubuntu 18.04 - if
ever. Its changelog is
tzdata (2020a-1) unstable; urgency=medium
* New upstream version, affecting the following future timestamps:
- Morocco springs forward on 2020-05-31, not 2020-05-24.
- Canada's Yukon advanced to -07 year-round on 2020-03-08.
* Bump Standards-Version to 4.5.0 (no changes).
-- Aurelien Jarno <aure...@debian.org> Fri, 24 Apr 2020 21:32:19 +0200
I would certainly prefer to rely on the Ubuntu update cycle for the
tzdata rather than a manual update and the above suggests that this
should be possible.
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