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Overview
Beginning March 11, 2007, Daylight Saving
Time (DST) start and end dates for the United States
will transition to comply with the Energy Policy Act of
2005. Under the new law, Daylight Saving Time will
begin the second Sunday of March and end the first
Sunday of November, extending the timeframe by four
weeks. Due to this DST change, operating system
and application software updates may be required to
ensure that the system clock on HP products is accurate.
This is not unique to HP products. All devices
that automatically adjust Daylight Saving Time
and that support operating systems or rely on a local
time zone that observes DST will be affected by the 2007
DST change.
U.S. 2007 Daylight Saving Time
Changes
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| U.S. DST Start |
U.S. DST End |
U.S. DST Start |
U.S. DST End |
| First Sunday in April |
Last Sunday in October |
Second Sunday in March |
First Sunday in November |
| 2 April 2006 |
29 October 2006 |
11 March 2007 |
4 November 2007 |
Other Countries Affected by the Change
Several countries other than United States of
America are also implementing the same DST change (Canada,
Bermuda), and other countries are expected to make
similar changes. For a complete listing of Worldwide
Daylight Saving Time schedules, including countries that are
changing along with the United States, refer to the
Worldwide Daylight Saving Reference Page.
Why care about DST?
You are affected by the new DST change if:
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You are running a
computer system in the USA, Canada, or Bermuda, particularly if the
system is running an application that performs time-sensitive
functions, such as scheduling or creation/validation of time or date
stamps.
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You are outside
of the USA, Canada or Bermuda but are running a computer system that
interacts with or is integrated with systems in the USA, Canada or
Bermuda that have transitioned to the new DST rules.
HP is providing patches or updates that
will address the changes for your products as the result of the U.S. 2007
DST law. Utilize this information to perform assessment of your HP
products. In some rare circumstances, based on your particular
configuration and applications, you may encounter a DST issue that HP or
your third
party software vendor has not addressed, if so please contact
HP
Support. This site is subject to change. Please
check back for updates. |
HP Product Assessment of U.S. 2007 DST Impact |
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Product
Home Page |
Product
Daylight Saving Information |
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Servers |
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HP Integrity Servers |
Customer Notice c00851083 |
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HP ProLiant |
Customer Notice c00809216 |
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HP Integrity NonStop |
Support Note S07001 |
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HP 9000 |
Customer Notice c00851083 |
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HP AlphaServer System |
Refer to Operating System
DST |
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HP e3000 |
Support Information |
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HP Blade Servers |
Customer Notice c00809216 |
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HP VAX Systems |
Refer to Operating System
DST |
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Desktop and Workstations |
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Business Desktops |
See Customer Notice (c00849795)
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Blade PCs |
See Customer Notice (c00849795) |
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Workstations |
Customer Notice c00842287 |
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Workstation Blade Solution |
Customer Notice c00842287 |
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Thin Clients |
Customer Notice |
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Media Vault |
No known impact |
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Personal Desktops |
Refer to Microsoft®
DST site |
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Notebooks and Tablet PCs |
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Business Notebooks |
Refer to Microsoft®
DST site |
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Tablet PCs |
Refer to Microsoft®
DST site |
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Personal Notebooks |
Refer to Microsoft®
DST site |
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Printing, Imaging, and
Multifunction |
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All-in-One & Multifunction
Black and White LaserJet
Color LaserJet
DeskJet Printers
Business InkJets
Digital Cameras
Graphic Arts
Printers
Large Format Printers
Photo Printers
HP JetDirect Print Servers
Scanners |
Most Imaging and Printing products do not have
internal clocks. Products that do have internal
clocks generally do not automatically adjust for
DST, therefore changes in U.S. DST rules (time
change dates) will have no direct impact.
Internal clocks must be adjusted manually on the
appropriate date. |
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FAX Products |
Internal clocks in HP multifunction and
All-in-One products do not automatically adjust
for DST, therefore the clock must be adjusted
manually on the appropriate date. Some devices
(fax and associated host-based software) allow
the fax to use the host clock (PC, for example).
If this option is available and selected, the
adjustment will be managed by the host. Please
insure the host operating system is updated with
the latest DST rules.
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Printer Software Products |
Software applications, such as Web
Jetadmin,
Output Server,
Digital Sending Software, and
Easy Printer Care, rely on the host OS for clock
information. Please insure your host operating
system is updated with the latest DST rules. |
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Print Server Appliance |
A patch will be required. Please
click here for additional information. |
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Additional information for Imaging and Printing |
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Handheld, PDA, and
Calculators |
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iPAQ Pocket PCs |
Download SoftPAQ |
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Calculators |
No known impact |
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Monitors and TVs |
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Business Monitors |
No known impact |
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HD Televisions |
Customer Notice |
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HP is a trademark of
Hewlett-Packard Development Company, L.P. ©
Copyright 2007 Hewlett-Packard Development
Company, L.P. HP shall not be liable for
technical or editorial errors or omissions
contained in this document. The material
contained herein is provided "as is" without
warranty of any kind. To the extent permitted by
law, neither HP nor its affiliates will be
liable for direct, indirect, incidental, special
or consequential damages including downtime
cost; damages relating to the procurement of
substitute products or services; damages for
loss of data; or software restoration. The
recommendations included here do not create any
additional warranty or guarantee by
Hewlett-Packard and are subject to change
without notification.
®
Microsoft is a registered trademark of the
Microsoft Corporation |
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