Forum OpenACS Development: Updating Ref-timezones for United States Daylight Saving Time change

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1: Updating Ref-timezones for United States Daylight Saving Time change
Posted by Dave Bauer on 03/28/07 08:55 PM
As far as I can tell, ref-timezones (used to set the acs-lang system timezone) package does not have the new timezone data for daylight saving time in the United States.

Does anyone know how to create an upgrade to fix this?

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2: Re: Updating Ref-timezones for United States Daylight Saving Time change (response to 1)
Posted by Tom Jackson on 03/29/07 05:12 AM
Dave,

I found this article and used it to download, compile and install the new files. I'm guessing that the data oacs uses is derived from this data. I do know that I followed the instructions and the 'time' on several computers changed to the new timezone.

This data can change at any time (and there is a newer update than mentioned in the above article), and it includes all timezones, so the difficulty becomes how to update an SQL database.

You might also note that the only thing changing here is timezones. It is a mistake to change the time and not the timezone. Changing time is an actual error. A timezone is simply an offset from GMT, which is never adjusted (timezone +0.00).

http://articles.techrepublic.com.com/5100-10877_11-6163042.html?part=rss&tag=feed&subj=tr

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3: Re: Updating Ref-timezones for United States Daylight Saving Time change (response to 1)
Posted by Pedro Liska on 04/13/07 11:34 PM
I had the same problem you have. They changed the time zone rules in Utah (America/Denver). So I wrote this script to fix the problem. Check this post to read more about it https://openacs.org/forums/message-view?message_id=950143

Note that my Linux timezone rules were updated automatically when I updated my system and I then copied those rules into the DB