| Year | Start Date | End Date |
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| 2010 | Midnight between Saturday, May 1 and Sunday, May 2 | Midnight between Saturday, August 7 and Sunday, August 8 | | 2011 | Midnight between Saturday, April 2 and Sunday, April 3 | Midnight between Saturday, July 30 and Sunday, July 31 | | 2012 | Sunday, April 29 at 2:00 AM | Sunday, September 30 at 3:00 AM | | 2013 | Sunday, April 28 at 2:00 AM | Sunday, September 29 at 3:00 AM | | 2014 | Sunday, April 27 at 2:00 AM | Sunday, September 28 at 3:00 AM | | 2015 | Sunday, April 26 at 2:00 AM | Sunday, September 27 at 3:00 AM | | 2016 | Sunday, April 24 at 2:00 AM | Sunday, September 25 at 3:00 AM | | 2017 | Sunday, April 30 at 2:00 AM | Sunday, September 24 at 3:00 AM | | 2018 | Sunday, April 29 at 2:00 AM | Sunday, September 30 at 3:00 AM | | 2019 | Sunday, April 28 at 2:00 AM | Sunday, September 29 at 3:00 AM |
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Details of each time changeFor each change, two lines are displayed: line #1 is the time and time zone one second before the change line #2 is the time and time zone when the change itself | Local Date | Local Time | DST | UTC Offset | Time Zone | Event/details |
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| Saturday, May 1, 2010 | 11:59:59 PM | No | UTC | WET | | | Sunday, May 2, 2010 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Saturday, August 7, 2010 | 11:59:59 PM | +1h | UTC+1h | WEST | | | 12:00:00 Midnight → 11:00:00 PM | No | UTC | WET | DST ends | | Saturday, April 2, 2011 | 11:59:59 PM | No | UTC | WET | | | Sunday, April 3, 2011 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC+1h | WEST | DST starts | More info | | Saturday, July 30, 2011 | 11:59:59 PM | +1h | UTC+1h | WEST | | | 12:00:00 Midnight → 11:00:00 PM | No | UTC | WET | DST ends | | Sunday, April 29, 2012 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | More info | | Friday, July 20, 2012 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | More info | | Monday, August 20, 2012 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | More info | | Sunday, September 30, 2012 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Sunday, April 28, 2013 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Tuesday, July 9, 2013 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Thursday, August 8, 2013 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, September 29, 2013 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Sunday, April 27, 2014 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, June 29, 2014 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Tuesday, July 29, 2014 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, September 28, 2014 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Sunday, April 26, 2015 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, September 27, 2015 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Sunday, April 24, 2016 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, September 25, 2016 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Sunday, April 30, 2017 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, September 24, 2017 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Sunday, April 29, 2018 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, September 30, 2018 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends | | Sunday, April 28, 2019 | 1:59:59 AM | No | UTC | WET | | | 2:00:00 AM → 3:00:00 AM | +1h | UTC+1h | WEST | DST starts | | Sunday, September 29, 2019 | 2:59:59 AM | +1h | UTC+1h | WEST | | | 3:00:00 AM → 2:00:00 AM | No | UTC | WET | DST ends |
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