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 World Time and Clocks - Clocks are found all over the world and all tell you the same thing wherever you live. We've gathered information about world time and clocks. Things like daylight savings time, world time zones, atomic clocks & more.
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Daylight Saving Time
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Information of when is daylight savings time, the different countries that apply this change and how they apply it, also new 2007 daylight savings time in US.
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Daylight Savings Time
Daylight Saving Time or DST , also known as summer time in British English, is the convention of
advancing clocks so that evenings have more daylight and mornings have less. Typically clocks are adjusted forward one
hour in late winter or early spring and are adjusted backward in autumn. Daylight savings time has been promote as an
energy conservation measure because it substitutes summer afternoon sunlight for electrical lighting.
In a typical case where a one-hour shift occurs at 02:00 local time, in spring the clock jumps forward from 02:00 standard
time to 03:00 DST and the day has 23 hours, whereas in autumn the clock jumps backward from 02:00 DST to 01:00 standard
time, repeating that hour, and the day has 25 hours. A digital display of local time does not read 02:00 exactly, but
instead jumps from (say) 01:59:59.9 either forward to 03:00:00.0 or backward to 01:00:00.0. Wikipedia
Today, approximately 70 countries utilize daylight savings time in at least a portion of the country. Japan, India, and
China are the only major industrialized countries that do not observe some form of daylight saving. In the map below,
blue areas indicate they are using DST, orange areas indicate they once had DST. Red ones have never had daylight saving time.
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Daylight Savings Time around the World
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DST Update in USA
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The date for the change from Standard Time to Daylight Saving Time
is different this year. It is Sunday, March 11th at 2:00 a.m. (local time).
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The most relevant links we could find, placed here free
 Wikipedia
- Additional information about daylight savings time. en.wikipedia.org
Webexhibits
- More about DST, including a calendar for years to come and the list of countries that's applied the DST. www.webexhibits.org
World Time Zone
- World Daylight Savings Time with specific information for each region. www.worldtimezone.com
Greenwich2000®
- Information about Daylight Saving Time in Australia. wwp.daylight-saving-time.com
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DST - Time to change for you?
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Daylight Savings Time. Southern Hemisphere
Beginning and ending dates are the reverse in the southern hemisphere. Mainland Chile observes DST from the second
Saturday in October to the second Saturday in March, with transitions at 24:00 local time. The time difference between
the United Kingdom and mainland Chile may therefore be three, four, or five hours, depending on the time of year.
Daylight Savings Time. European Union
In the EU, Summer Time begins and ends at 1:00 a.m. UTC/GMT. It begins the last Sunday in March and ends the last
Sunday in October. In the EU, all time zones change at the same moment.
Daylight Savings Time. United States
On August 8, 2005, President George W. Bush signed the Energy Policy Act of 2005. This Act changed the time change dates
for DST in the U.S. Beginning in 2007, DST will begin on the second Sunday in March and end the first Sunday in November.
The Secretary of Energy will report the impact of this change to Congress. Congress retains the right to resume the 2005
Daylight Saving Time schedule once the Department of Energy study is complete. Previously, from 1987 through 2006, the
start and end dates were the first Sunday in April and the last Sunday in October, and Congress retains the right to go
back to the previous dates once an energy-consumption study is done.
For the U.S. and its territories, daylight savings time is not observed in Hawaii, American Samoa, Guam, Puerto Rico,
the Virgin Islands, and Arizona. The Navajo Nation participates in the DST policy, even in Arizona, due to its large
size and location in three states.
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