Experimental Physics and
Industrial Control System

Dirk Zimoch <[email protected]> · Wed, 21 May 2003 15:38:55 +0200

Hello Andy,
does that mean I have to fix EPICS_TIMEZONE every year?
Our CA clients have been built with R3.13.2 and EPICS_TIMEZONE is not
mentioned in base/config/. Will that environment variable work with our
clients?
Browsing the 3.13.2 code, I could only find TIMEZONE in drvTS.c and that
is vxWorks code. How is the client software affected by this? Aren't
EPICS time stamps time zone independent?
Dirk

Andy Foster wrote:

Hi Dirk,
I'm not sure which EPICS release you're using but I noticed this
in 3.14.1:
base/configure/CONFIG_SITE_ENV
# Time service:
# EPICS_TIMEZONE needed for vxWorks
# EPICS_TIMEZONE=<name>::<minutesWest>:<start daylight>:<end daylight>
#  DST for 2003  US: Apr  6 - Oct 26
#                EU: Mar 30 - Oct 26
EPICS_TIMEZONE=GMT::0:033003:102603
Cheers,
Andy

On Wed, 21 May 2003, Dirk Zimoch wrote:
Hi,
when daylight saving time started this spring, I noticed that time
stamps hadn't been displayed correctly. I wodered if CA didn't support
daylight saving and changed EPICS_TS_MIN_WEST from -60 to -120. But now,
the time is out of sync again. Obviously EPICS does support daylight
saving time but uses other start (and end?) dates than we do in Europe.
What do I have to configure to make EPICS use the correct daylight
saving time?
Dirk
--
Dr. Dirk Zimoch
Swiss Light Source
Paul Scherrer Institut
Computing and Controls
phone +41 56 310 5182
fax   +41 56 310 4413

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--
Dr. Dirk Zimoch
Swiss Light Source
Paul Scherrer Institut
Computing and Controls
phone +41 56 310 5182
fax   +41 56 310 4413

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System