determining DST in TimeZones

From: Marc Wrubleski <mlwruble(at)sorexsoftware(dot)com>
To: pgsql-admin(at)postgreSQL(dot)org
Subject: determining DST in TimeZones
Date: 2001-03-04 22:11:38
Message-ID: 3AA2BD9A.A9B47818@sorexsoftware.com
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I have to determine whether the the local time to my users has Daylight
Savings Time applied or not, given their timezone (eg MST) and the
current timestamp.

Is there any way to determine this?

So far, I have been able to determine their local time given the
timezone and timestamp, but I cannot figure out if it should have DST
applied and if so, how much offset it should have.

Thanks for any suggestions.

Marc Wrubleski
Sorex Software Inc.
403 371-7598

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