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Time change dates in 2012

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2012 SummaryDaylight Saving Time started on Sunday, April 1 and ended on Sunday, November 4.

Daylight Saving Time started

Apr 1
Image showing the time change

Forward 1 hour

When local standard time was about to reach
Sunday, April 1, 2012 at 12:00:00 Midnight clocks were turned forward 1 hour to
Sunday, April 1, 2012 at 1:00:00 AM local daylight time instead

Sunrise and sunset will both be about 1 hour later on Apr 1, 2012 than the day before: More daylight in the evening

Seconds before and after the time change forward
Local DateLocal TimeDSTUTC
Offset
Time
Zone
Saturday, March 31, 201211:59:57 PMNoUTC-5hCST
11:59:58 PMNoUTC-5hCST
11:59:59 PMNoUTC-5hCST
Sunday, April 1, 201212:00:00 Midnight → 1:00:00 AM+1hUTC-4hCDT
1:00:01 AM+1hUTC-4hCDT
1:00:02 AM+1hUTC-4hCDT

Background info: Cuba switches to DST on March 10, 2013

Daylight Saving Time ended

Nov 4
Image showing the time change

Back 1 hour

When local daylight time was about to reach
Sunday, November 4, 2012 at 1:00:00 AM clocks were turned backward 1 hour to
Sunday, November 4, 2012 at 12:00:00 Midnight local standard time instead

Sunrise and sunset will both be about 1 hour earlier on Nov 4, 2012 than the day before: More daylight in the morning

Seconds before and after the time change backward
Local DateLocal TimeDSTUTC
Offset
Time
Zone
Sunday, November 4, 201212:59:57 AM+1hUTC-4hCDT
12:59:58 AM+1hUTC-4hCDT
12:59:59 AM+1hUTC-4hCDT
1:00:00 AM → 12:00:00 MidnightNoUTC-5hCST
12:00:01 AMNoUTC-5hCST
12:00:02 AMNoUTC-5hCST

Background info: Cuba switches to DST on March 10, 2013

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