[tz-announce] 2016e release of tz code and data available

June 14, 2016

      The 2016e release of the tz code and data is available.  It reflects the 
following changes, which were either circulated on the tz mailing list or are 
relatively minor technical or administrative changes:

   Changes affecting future time stamps

     Africa/Cairo observes DST in 2016 from July 7 to the end of October.
     Guess October 27 and 24:00 transitions. (Thanks to Steffen Thorsen.)
     For future years, guess April's last Thursday to October's last
     Thursday except for Ramadan.

   Changes affecting past time stamps

     Locations while uninhabited now use '-00', not 'zzz', as a
     placeholder time zone abbreviation.  This is inspired by Internet
     RFC 3339 and is more consistent with numeric time zone
     abbreviations already used elsewhere.  The change affects several
     arctic and antarctic locations, e.g., America/Cambridge_Bay before
     1920 and Antarctica/Troll before 2005.

     Asia/Baku's 1992-09-27 transition from +04 (DST) to +04 (non-DST) was
     at 03:00, not 23:00 the previous day.  (Thanks to Michael Deckers.)

   Changes to code

     zic now outputs a dummy transition at time 2**31 - 1 in zones
     whose POSIX-style TZ strings contain a '<'.  This mostly works
     around Qt bug 53071 <https://bugreports.qt.io/browse/QTBUG-53071>.
     (Thanks to Zhanibek Adilbekov for reporting the Qt bug.)

   Changes affecting documentation and commentary

     tz-link.htm says why governments should give plenty of notice for
     time zone or DST changes, and refers to Matt Johnson's blog post.

     tz-link.htm mentions Tzdata for Elixir.  (Thanks to Matt Johnson.)

Here are links to the release files:

   ftp://ftp.iana.org/tz/releases/tzcode2016e.tar.gz
   ftp://ftp.iana.org/tz/releases/tzdata2016e.tar.gz

The files are also available via HTTP as follows:

   http://www.iana.org/time-zones/repository/releases/tzcode2016e.tar.gz
   http://www.iana.org/time-zones/repository/releases/tzdata2016e.tar.gz

As usual, links to the latest release files are here:

   http://www.iana.org/time-zones/repository/tzcode-latest.tar.gz
   http://www.iana.org/time-zones/repository/tzdata-latest.tar.gz

   ftp://ftp.iana.org/tz/tzcode-latest.tar.gz
   ftp://ftp.iana.org/tz/tzdata-latest.tar.gz

Each release file has a GPG signature, which can be retrieved by appending 
".asc" to the above URLs.  Copies of these signatures are appended to this message.

This release corresponds to ddb14859b156e72bb2daff70ff2fe59d6d82d545 dated 
2016-06-14 08:46:16 -0700 and tagged '2016e' in the experimental github 
repository at <https://github.com/eggert/tz>.

Here are the SHA-512 checksums for the release files:

dcaf615ada96920e60ffb336253f53541861153decc156d41661f43e0bfb128c6c231b0b776bbe3f2176549346275fc5a879074f4977d5141228e58cb33a41c6 
  tzcode2016e.tar.gz
dace0f6fc87a73879ca3a1b143d7dcf9c50803e23e6b8c91f83711704e28129af776676c547c42f14dee7f1e8e285ce25296e53a52d11f4c8f155b5f80f4beb3 
  tzdata2016e.tar.gz

Here are the GPG checksums for the release files:

Paul Eggert

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