Summer Time 2017


When is Summer Time 2017?

Summer Time 2017 started on Sunday, March 26, 2017 (122 days ago) and ends on Sunday, October 29th 2017 (in 95 days).  2017 Calendar

What is Summer Time?

In spring, when Summer Time starts, clocks move forward one hour. In autumn, when Summer Time ends, clocks move back one hour.
In spring, when Summer Time starts, clocks move forward one hour. In autumn, when Summer Time ends, clocks move back one hour.
Summer Time is the practice of moving the clock forward by one hour at the beginning of spring each year and moving it back one hour in the autumn. The aim is to make use of daylight longer into the evening by starting daylight an hour later in the morning.

"Summer Time" is the term used for this adjusted time in Europe, for example in the United Kingdom, where it is called "British Summer Time" (BST). Countries in Continental Europe use an equivalent term in their local language, eg. "Sommerzeit" in Germany and "heure d'été" in France. The standard time observed during the rest of the year is often called "Winter Time". In the United States and Canada Summer Time is usually referred to as "Daylight Saving Time".

Summer Time in Europe starts on the last Sunday in March (shortly after the vernal equinox) and ends on the last Sunday in October. In contrast, Daylight Saving Time in the United States and Canada is observed from the second Sunday in March to the first Sunday in November.

Even though the European Union extends across three time zones, all clocks in the EU change at the same moment (at 01:00 am UTC). This means that the change will happen at 01:00 AM for countries observing Greenwich Mean Time (GMT), such as Britain, Ireland and Portugal, at 02:00 AM for countries observing Central European Time (CET), which is used in most European countries, and at 03:00 AM for countries observing Eastern European Time (EET), which is used by a number of countries at the eastern edge of Europe. Iceland, Belarus and Russia do not use summer time.

First used in World War I and again in World War II as a way to conserve coal during wartime, it fell out of use after each war (except in Britain, where it has been in continuous use since 1916). It was widely adopted in the 1970s as a result of the energy crisis.

Many people have difficulties remembering which way the clock moves when the time changes. One easy way is to remember the mnemonic "spring forward, fall back".

For more information see Summer Time in Europe on Wikipedia.

When is Summer Time 2018?

Summer Time 2018 starts on Sunday, March 25, 2018 (in 242 days) and ends on Sunday, October 28th 2018 (in 459 days).  2018 Calendar

Dates for Summer Time from 2010 to 2025

The next occurrence of Summer Time is marked in red.

Year Summer Time starts on Summer Time ends on
Summer Time 2010      Sunday, March 28, 2010      Sunday, October 31, 2010
Summer Time 2011      Sunday, March 27, 2011      Sunday, October 30, 2011
Summer Time 2012      Sunday, March 25, 2012      Sunday, October 28, 2012
Summer Time 2013      Sunday, March 31, 2013      Sunday, October 27, 2013
Summer Time 2014      Sunday, March 30, 2014      Sunday, October 26, 2014
Summer Time 2015      Sunday, March 29, 2015      Sunday, October 25, 2015
Summer Time 2016      Sunday, March 27, 2016      Sunday, October 30, 2016
Summer Time 2017      Sunday, March 26, 2017      Sunday, October 29, 2017
Summer Time 2018      Sunday, March 25, 2018      Sunday, October 28, 2018
Summer Time 2019      Sunday, March 31, 2019      Sunday, October 27, 2019
Summer Time 2020      Sunday, March 29, 2020      Sunday, October 25, 2020
Summer Time 2021      Sunday, March 28, 2021      Sunday, October 31, 2021
Summer Time 2022      Sunday, March 27, 2022      Sunday, October 30, 2022
Summer Time 2023      Sunday, March 26, 2023      Sunday, October 29, 2023
Summer Time 2024      Sunday, March 31, 2024      Sunday, October 27, 2024
Summer Time 2025      Sunday, March 30, 2025      Sunday, October 26, 2025
Data provided 'as is' without warranty

Summer Time 2017 Dates of Summer Time 2017 and surrounding years
as downloadable image file




Dates of other holidays, events and celebrations

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Advent
Advent Sunday
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Australian holidays
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The seasons
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Vernal equinox (spring equinox,
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Summer
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Autumn / Fall
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September equinox)
Winter
Winter solstice (December solstice)

Other days
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Star Wars Day
Samhain
Summer Time
Teacher Appreciation Day
Teacher Appreciation Week
Valentine's Day
World Environment Day
World Teachers' Day

... and more coming!

Calendars for 2017

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