Red Hat Bugzilla – Bug 200128
WEST/CEST timezones not included
Last modified: 2015-05-04 21:32:33 EDT
Description of problem:
The timezones 'WEST' and 'CEST' are not found (Western/Central European Summer
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. env TZ=CEST date
2. env TZ=UTC date
3. env TZ=WEST date
WEST and CEST are treated as UTC.
They should not be treated as UTC.
WEST is the time zone of countries like the UK, according to
CEST is the time zone of countries like Hungary, according to
If I'm not understanding how timezones work, please let me know.
WEST and CEST are summer variants of WET and CET. tzdata will pick the right
(summer/winter) variant according to current date. WET and CET are handled fine
$ env TZ=WET date
Thu Jul 27 08:17:16 WEST 2006
$ env TZ=CET date
Thu Jul 27 09:17:18 CEST 2006
(note how it picked CEST instead of CET)
The reason I created this bug report was because I found a time on the internet
with a 'CEST' time zone, and I wanted to know how long ago it was. As I didn't
know anything about where in the world CEST was, I just plugged it in and got an
answer (a wrong answer, that is).
What is the normal way to determine times with unfamiliar timezones, using the
And is silent failure the right way to handle bogus timezones?