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, March 13, 2010 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 13, 2010 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 16, 2010 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 17, 2010 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 12, 2011 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 12, 2011 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 15, 2011 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 16, 2011 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 10, 2012 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 10, 2012 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 20, 2012 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 21, 2012 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 9, 2013 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 9, 2013 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 19, 2013 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 20, 2013 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 8, 2014 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 8, 2014 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 18, 2014 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 19, 2014 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 7, 2015 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 7, 2015 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 17, 2015 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 18, 2015 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 12, 2016 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 12, 2016 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 15, 2016 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 16, 2016 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 11, 2017 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 11, 2017 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 14, 2017 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 15, 2017 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 10, 2018 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 10, 2018 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 20, 2018 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 21, 2018 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts | | Saturday, March 9, 2019 at 11:59:59 PM | 1 hour | -3 hours | PYST | | | Saturday, March 9, 2019 at 11:00:00 PM | No | -4 hours | PYT | DST ends | | Saturday, October 19, 2019 at 11:59:59 PM | No | -4 hours | PYT | | | Sunday, October 20, 2019 at 1:00:00 AM | 1 hour | -3 hours | PYST | DST starts |
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