Canadian Daylight Saving Time (DST) default dates changing in 2007 and impact on SUSE Linux Enterprise products

This document (3615274) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 10
SUSE Linux Enterprise Desktop 10
SUSE Linux Enterprise Server 9
SUSE Linux Enterprise Server 8
SUSE Linux Desktop 9

Situation

Starting in March 2007, the standard North American period for Daylight Saving Time is to be from the second Sunday of March to the first Sunday of November.

Canadian provinces and territories have announced that this standard will replace their previous practice. Further details can be found at the National Research Council Canada web site on Time Zones & Daylight Saving Time - http://inms-ienm.nrc-cnrc.gc.ca/time_services/daylight_saving_e.html
 

Resolution

Update the timezone package. Current Service Packs and maintenance updates can be retrieved from Novell Customer Center or through the usual update mechanisms.

The DST changes for Canadian provinces and territories are included as of patch-11434, Recommended update for Timezone.

Once the timezone.rpm has been installed it is also necessary to relink the local time zone setting with the updated time zone data. This can be done through Yast by resetting or reselecting the local time zone for the server or by executing the following command:

zic -l {local timezone}

examples

zic -l Canada/Eastern
zic -l Canada/Mountain

Additional information on manually updating and testing time zone information is available in
TID 3655154 - Daylight Saving Time (DST) Handling in Linux
 

Additional Information

Related information

For U.S. Daylight Saving Time (DST) changes check TID 3853518
For information on Java updates on SUSE Linux Enterprise check TID 3853518

Canadian Time Zones

Currently used time zones for Canada include the following:
Canada/Atlantic
Canada/Central
Canada/East-Saskatchewan
Canada/Eastern
Canada/Mountain
Canada/Newfoundland
Canada/Pacific
Canada/Saskatchewan
Canada/Yukon

These time zones are linked to the older time zone names:
America/Halifax Canada/Atlantic
America/Winnipeg Canada/Central
America/Regina Canada/East-Saskatchewan
America/Toronto Canada/Eastern
America/Edmonton Canada/Mountain
America/St_Johns Canada/Newfoundland
America/Vancouver Canada/Pacific
America/Regina Canada/Saskatchewan
America/Whitehorse Canada/Yukon

Triva note: Both Canada/East-Saskatchewan and Canada/Saskatchewan are linked to America/Regina making them identical.
 

Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:3615274
  • Creation Date: 28-Feb-2007
  • Modified Date:15-Jun-2020
    • SUSE Linux Enterprise Desktop
    • SUSE Linux Enterprise Server

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