Spring Ahead! Time Change Impacts Wide Range of Devices

[Dave Farber <dave () farber net>]

Delivered-To: dfarber+ () ux13 sp cs cmu edu
Date: Sun, 04 Apr 2004 13:36:08 -0400
From: Jonathan B Spira <jspira () basex com>
Subject: Spring Ahead! Time Change Impacts Wide Range of Devices
To: dave () farber net


Dave, this might be a helpful list for people struggling to change time, as 
well as a brief history of Daylight Saving (without the "s") Time.

Cheers.

/s/ Jonathan


Jonathan B. Spira
CEO and Chief Analyst
Basex, Inc.
y <mailto:jspira () basex com>jspira () basex com
8 http://www.basex.com

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    SPRING AHEAD! TIME CHANGE IMPACTS WIDE RANGE OF DEVICES

                       by Jonathan B. Spira, Chief Analyst

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With a nod to Benjamin Franklin, Daylight Saving Time will arrive in most 
of the United States in the early hours of Sunday, April 4 at 0200 (2 a.m.) 
In the European Union, Daylight Saving Time began on March 28 at 0100 (1 
a.m.) GMT. Unlike in the United States, where each time zone will change at 
local time 2 a.m., all time zones in the EU changed at the same 
moment.  Russia keeps its clocks two hours ahead of standard time, and in 
winter, one hour ahead, due to the country's high latitude.  In the 
Southern Hemisphere, where summer arrives in December, Daylight Saving 
Time, if observed, is used from October through March.

Some people incorrectly refer to Daylight Saving Time as Daylight Savings 
Time, perhaps because the latter is more mellifluous.  The latter is also 
incorrect, as "saving" is a participle that modifies "time".  Of course, in 
actuality, no daylight is saved and some pundits might prefer Daylight 
Shifting Time.

As the seasons turn, and clocks change, it is important not to overlook the 
many devices, both within and outside of the traditional IT environment, 
which are impacted by the change to Daylight Saving Time in the United 
States.   Some portions of the United States, including Arizona (except for 
the Navajo Indian Reservation), Hawaii, the part of Indiana in the Eastern 
time zone, Puerto Rico, Guam, the Virgin Islands and American Samoa, do not 
observe the change, which remains in effect until October 31.

An excellent look at the history of Daylight Saving Time, from Benjamin 
Franklin through the present, is at http://webexhibits.org/daylightsaving/

As has been our custom, we present to you a comprehensive list of devices 
requiring an adjustment to Daylight Saving Time.

N.B.  Fire safety experts urge everyone to replace batteries in smoke and 
fire detectors when adjusting clocks both forward and back.


TYPICAL OFFICE OR HOME/OFFICE ENVIRONMENT
Answering machines or voice mail
Desktop and/or laptop computers (some operating systems update automatically)
Digital Camera
Still and/or video cameras
Facsimile machines
Mobile (cellular) telephones
Network servers (some network operating systems update automatically)
Personal Digital Assistants (PDAs)
Photocopiers
Telephone systems
Thermostats
Time recording systems
VCRs
Video-conferencing systems
Wristwatch

MEDICAL
Imaging equipment
Fetal monitors
Infusion pumps
Ventilators

BUILDING SYSTEMS
Air conditioning
Audio and Video Studio environments
Backup lighting and generators
Building management systems
Burglar and fire alarms
CCTV systems
Door locks
Fire control systems
Heating and ventilating systems
Elevators and escalators
Lighting systems
Safes and vaults
Security access control systems
Switching systems

MANUFACTURING AND OTHER SYSTEMS
Automated (CAM) factories
CAD systems
Energy control systems ("Smart" buildings)
Nuclear power stations
Power management systems
Robots
Switching systems
Time/clock stamps

TRANSPORTATION
Airplanes
Automobiles
Car parking/garage systems
Photo surveillance systems
Railroad cars
Signaling systems
Ticketing (airline, railroad) systems

And, when all is said and done, the clock on the wall.




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Chief Analyst:             Jonathan B. Spira
Editorial Director:         Basilio Alferow


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