Indiana time zone change from Department of Transportation

From: Neal McBurnett <neal_at_BCN.BOULDER.CO.US>
Date: Wed, 18 Jan 2006 17:57:47 -0700 (MST)

This should provide some more grist for understanding the reality of
civil time. This happens pretty often somewhere in the world.

A DOT final ruling on Indiana came out today, affecting time zones
starting April 2, 2006:

> Under the Uniform Time Act of 1966, the Secretary of Transportation
> has the authority to set time-zone boundaries and must base
> decisions on the "convenience of commerce."
> ...
> After five months, 22 hours of public hearing testimony and more
> than 6,000 public comments, the U.S. Department of Transportation
> today announced a final rule that will change the clock for eight of
> 17 Indiana counties seeking to move to the Central time zone.
> ...
> Seventeen Indiana counties asked the Department last September to
> change from Eastern to Central time. On Oct. 25, the Department
> issued a notice proposing Knox, Perry, Pike, St. Joseph and Starke
> counties move from Eastern to Central time, and made no change to
> time zones in the remaining 12 counties. ...

I heard about this from the time zone mailing list. See e.g.

Deborah Goldsmith writes to about

> Based on my reading of this document, only one zone in tzdata is
> affected, America/Indiana/Knox. That zone will start observing US
> Central Time starting April 2, 2006, at the time of the switchover
> to Daylight Savings Time. Probably the easiest thing to do is to
> change the last two lines as follows:

> From:
> -5:00 - EST 2006
> -5:00 US E%sT
> to:
> -5:00 - EST 2006 Apr 2 2:00
> -5:00 US C%sT

Will your computer's time zone databases be up-to-date then?


Neal McBurnett
Signed and/or sealed mail encouraged. GPG/PGP Keyid: 2C9EBA60
Received on Wed Jan 18 2006 - 16:58:09 PST

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