Time zone changes and daylight saving time start/end dates
between year 2010 and 2019Please note that dates might change in the future For 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 has happened | Local time | DST? | UTC offset | Zone name | Event/details |
|---|
| Saturday, April 10, 2010 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 10, 2010 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 9, 2010 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 10, 2010 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 9, 2011 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 9, 2011 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 8, 2011 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 9, 2011 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 7, 2012 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 7, 2012 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 13, 2012 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 14, 2012 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 13, 2013 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 13, 2013 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 12, 2013 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 13, 2013 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 12, 2014 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 12, 2014 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 11, 2014 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 12, 2014 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 11, 2015 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 11, 2015 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 10, 2015 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 11, 2015 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 9, 2016 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 9, 2016 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 8, 2016 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 9, 2016 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 8, 2017 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 8, 2017 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 7, 2017 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 8, 2017 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 7, 2018 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 7, 2018 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 13, 2018 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 14, 2018 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts | | Saturday, April 13, 2019 at 11:59:59 PM | 1 hour | -3 hours | ARST | | | Saturday, April 13, 2019 at 11:00:00 PM | No | -4 hours | ART | DST ends | | Saturday, October 12, 2019 at 11:59:59 PM | No | -4 hours | ART | | | Sunday, October 13, 2019 at 1:00:00 AM | 1 hour | -3 hours | ARST | DST starts |
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