Oct 30, 2022, 2:00 am
Start DST: | Sunday, April 5, 2015 — 1 hour forward |
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End DST: | Sunday, October 25, 2015 — 1 hour backward |


Apr 5
Forward 1 hour
Apr 5, 2015 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 5, 2015, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 5, 2015, 3:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 5, 2015 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 25
Back 1 hour
Oct 25, 2015 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, October 25, 2015, 2:00:00 am clocks were turned backward 1 hour to
Sunday, October 25, 2015, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 25, 2015 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
More info:
DST in Europe Ends Sunday, Oct 25
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
Year | DST Start (Clock Forward) | DST End (Clock Backward) |
---|---|---|
2010 | Sunday, April 4, 2:00 am | Sunday, October 31, 2:00 am |
2011 | Sunday, April 3, 2:00 am | Sunday, October 30, 2:00 am |
2012 | Sunday, April 1, 2:00 am | Sunday, October 28, 2:00 am |
2013 | Sunday, April 7, 2:00 am | Sunday, October 27, 2:00 am |
2014 | Sunday, April 6, 2:00 am | Sunday, October 26, 2:00 am |
2015 | Sunday, April 5, 2:00 am | Sunday, October 25, 2:00 am |
2016 | Sunday, April 3, 2:00 am | Sunday, October 30, 2:00 am |
2017 | Sunday, April 2, 2:00 am | Sunday, October 29, 2:00 am |
2018 | Sunday, April 1, 2:00 am | Sunday, October 28, 2:00 am |
2019 | Sunday, April 7, 2:00 am | Sunday, October 27, 2:00 am |
All times are local for 22°52'49.3"N, 109°54'29.1"W. |
Data for the years before 1970 is not available for 22°52'49.3"N, 109°54'29.1"W, however, we have earlier time zone history for Mazatlan available.
Detailed time zone and clock changes in 22°52'49.3"N, 109°54'29.1"W