[Bug 1245978] Re: America/Montreal timezone disappeared from ubuntu LTS precise tzdata

[Anthony Servedio]

In case someone wants a quick fix, here is how to downgrade tzdata:

# list versions
sudo apt-show-versions tzdata -a

# choose any version before 2013g*
sudo apt-get install tzdata=2012e-0ubuntu0.12.04.1

And here is how to lock that version so apt-get doesn't try to upgrade
it

# open file that probably doesn't exist
sudo nano /etc/apt/preferences.d/tzdata

# and put the following in it, adjust the version to the downgraded one you used above, save & exit
Package: tzdata
Pin: version 2012e*
Pin-Priority: 1000

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https://bugs.launchpad.net/bugs/1245978

Title:
  America/Montreal timezone disappeared from ubuntu LTS precise tzdata

Status in “tzdata” package in Ubuntu:
  New

Bug description:
  While searching in every possible package why I could not deploy few apps on a fresh ubuntu precise lts install,
  it boiled down to this if I'm not mistaken. (could not find anywhere else where Montreal timezone was removed)

  https://launchpadlibrarian.net/152837885/tzdata_2013d-0ubuntu0.12
  .04_2013g-0ubuntu0.12.04.diff.gz

  Now I can understand that Toronto and Montreal share the same
  timezone, just like New York, but I believe it is very wrong to remove
  it, and even more to remove it from the LTS version because it affect
  many things up to php and will require most php ubuntu servers
  deployed in this province of 8 million people.. to update there config
  file, if they figure out that Montreal was taken.

  America\Montreal is still on:
    php's page - http://php.net/manual/en/timezones.america.php
    the internet authority timezone database (as of 2013-10-25) - http://www.iana.org/time-zones
    and in default /usr/share/zoneinfo as well

  LTS should equal not braking things such as this.

  * It possibly also has effects during ubuntu installation because on
  my latest 2 installs within the last week, it auto-detected toronto
  instead of montreal like it usually does, but montreal was still in
  the list. Might be related.

  ....
  1) Ubuntu 12.04.3 LTS
  2) 2013g-0ubuntu0.12.04
  3) America/Montreal to be a timezone php can list
  4) Exceptions in apps using dates and dates calculation based on this timezone

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