Different River

”You can never step in the same river twice.” –Heraclitus

February 22, 2006

Indiana Time

Filed under: — Different River @ 2:00 am

For those of you who have ever either (a) travelled to (or from) Indiana and gotten confused about what time it is, or (b) found Indiana’s interesting combination of multiple time zones and multiple daylight-savings-time rules to be fascinating trivia, then either (a) your troubles, or (b) the party, might be over, according to the “What time is it in Indiana?” web page:

On October 30, 2005, at 02:00 DST, all areas currently operating on Daylight Saving Time adjusted clocks to 01:00. In Indiana, 77 counties were already operating at 01:00 EST and made no adjustment. However, five Indiana counties near Cincinnati, OH, and Louisville, KY, adjust from EDT to EST and five near Chicago, IL, and five surrounding Evansville, IN, adjust from CDT to CST.

If the April 28, 2005, Indiana state legislation stands up, on April 2, 2006, Indiana will no longer be counted as one of three states which do not Spring ahead from “standard” to “daylight saving” time or Fall back from daylight to standard six months later. The Indiana Legislature voted to approve Daylight Saving Time for Indiana and to petition the US Department of Transporation to hold hearings to determine the location of the dividing line between the Eastern and Central time zones, relative to Indiana.

Yes, the US Department of Transporation is supposed to hold hearings about this. Your tax dollars at work! ;-)

Of course, those of us who are trivia hounds still have Arizona. Arizona is in the Mountain Time Zone but does not observe daylight savings time, which means has the same time as Utah and (most of) New Mexico in the winter, but the same time as California and Nevada in the summer. But that’s not exactly true, either:

The Arizona portion of the Navajo reservation, which consists of most the northeastern corner of the state, DOES observe DST. And to further complicate matters, the Hopi Partitioned Land, which lies in the midst of the Navajo reservation, follows the the Arizona standard, remaining on Mountain Standard Time year round.

This means that when driving through Arizona during the summer, you might have to reset your watch five times, depending on what route you take. The Hopi reservation is completely surrounded by the Navajo reservation. So you’d go from northwest to southeast: into Arizona from Utah (-1), into Navajo reservation (+1), into Hopi reservation (-1), out the other side of the Hopi reservation back into the Navajo reservation (+1), out of the Navajo reservation, but still in Arizona (-1), and into New Mexico (+1). Of course, you could skip one of these by entering from California, and another by exiting Arizona at a point within the Navajo reservation.

Within the Navajo reservation, there is a place called “Four Corners” — the only place in the U.S. where four states meet (Arizona, New Mexico, Utah, and Colorado). I have no idea what time it is on that dot….

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