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, March 13, 2010 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 14, 2010 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | | Sunday, October 31, 2010 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | | Saturday, March 19, 2011 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 20, 2011 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | More info | | Sunday, November 13, 2011 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | | Saturday, March 31, 2012 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, April 1, 2012 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | | Sunday, November 4, 2012 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | | Saturday, March 9, 2013 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 10, 2013 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | | Sunday, November 3, 2013 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | Preliminary date | | Saturday, March 8, 2014 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 9, 2014 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | Preliminary date | | Sunday, November 2, 2014 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | Preliminary date | | Saturday, March 7, 2015 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 8, 2015 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | Preliminary date | | Sunday, November 1, 2015 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | Preliminary date | | Saturday, March 12, 2016 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 13, 2016 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | Preliminary date | | Sunday, November 6, 2016 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | Preliminary date | | Saturday, March 11, 2017 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 12, 2017 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | Preliminary date | | Sunday, November 5, 2017 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | Preliminary date | | Saturday, March 10, 2018 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 11, 2018 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | Preliminary date | | Sunday, November 4, 2018 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | Preliminary date | | Saturday, March 9, 2019 | 11:59:59 PM | No | UTC-5h | CST | | | Sunday, March 10, 2019 | 12:00:00 Midnight → 1:00:00 AM | +1h | UTC-4h | CDT | DST starts | More info | Preliminary date | | Sunday, November 3, 2019 | 12:59:59 AM | +1h | UTC-4h | CDT | | | 1:00:00 AM → 12:00:00 Midnight | No | UTC-5h | CST | DST ends | More info | Preliminary date |
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Havana, Cuba