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Local time in ROSEAU - DOMINICA

Roseau - Dominica Actual Time and Date

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Roseau timezone information

UTC/GMT Offset Actual offset : UTC/GMT -4 hours
No offset at this time

Geographical and astronomical datas : Dominica

Coordinates Latitude : 15° 18' north
Longitude : 61° 23' west
Astronomic Observations Sunrise at : 01:53 am
Transition hout : 07:56 am
Sunset at : 02:00 pm
Duration of day : 12 hours
Civil twilight start at : 01:31 am
Civil twilight end at : 02:22 pm

World time information on North America - Roseau

Since then, the world has seen many enactments, adjustments, and repeals.
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 that day has 23 hours, whereas in autumn the clock jumps backward from 02:00 DST to 01:00 standard time, repeating that hour, and that day has 25 hours
A digital display of local time does not read 02:00 exactly at the shift, but instead jumps from 01:59:59.9 either forward to 03:00:00.0 or backward to 01:00:00.0
In this example, a location observing UTC+10 during standard time is at UTC+11 during DST; conversely, a location at UTC−10 during standard time is at UTC−9 during DST.
Clock shifts are usually scheduled near a weekend midnight to lessen disruption to weekday schedules
A one-hour shift is customary, but Australia's Lord Howe Island uses a half-hour shift.
Twenty-minute and two-hour shifts have been used in the past.
Coordination strategies differ when adjacent time zones shift clocks
The European Union shifts all at once, at 01:00 UTC; for example, Eastern European Time is always one hour ahead of Central European Time.
Most of North America shifts at 02:00 local time, so its zones do not shift at the same time; for example, Mountain Time can be temporarily either zero or two hours ahead of Pacific Time
In the past, Australian districts went even further and did not always agree on start and end dates; for example, in 2008 most DST-observing areas shifted clocks forward on October 5 but Western Australia shifted on October 26.
Start and end dates vary with location and year
Since 1996 European Summer Time has been observed from the last Sunday in March to the last Sunday in October; previously the rules were not uniform across the European Union.
The 2007 U.S. change was part of the Energy Policy Act of 2005; 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 now that an energy-consumption study has been done.
Time graph The horizontal axis shows dates in 2008
The vertical axis shows the UTC offsets of eastern Brazil and eastern U.S. The difference between the two starts at 3 hours, then goes to 2 hours on February 17 at 24:00 Brazil eastern time, then goes to 1 hour on March 9 at 02:00 U.S. Eastern time.
In early 2008 central Brazil was one, two, or three hours ahead of eastern U.S., depending on the date.
Beginning and ending dates are the reverse in the southern hemisphere
For example, 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 five hours during the Northern summer, three hours during the Northern winter and four hours a few weeks per year because of mismatch of changing dates.
Map of the time zone boundaries of the world

Source : Wikipedia