Daylight Saving Time in Mexico

In most of Mexico daylight saving time begins at 2:00 a.m. local time on the first Sunday in April. On the last Sunday in October areas on daylight saving time fall back to Standard Time at 2:00 a.m. local time. Central Standard Time (CST) becomes Central Daylight Time (CDT), and so forth. The state of Sonora does not observe daylight saving time. During daylight saving time turn your clocks ahead one hour. At the end of daylight saving time turn your clocks back one hour.

NEW! In 2010 ten Mexico municipalities which share a border with the United States will begin daylight saving time three weeks earlier on the second Sunday in March and end on the first Sunday in November. Previously all of Mexico, with the exception of the state of Sonora which does not observe daylight saving time, began and ended daylight saving time at the same time. The Congress of Mexico passed legislation in December 2009 which allowed these ten border cities to adopt a daylight saving time pattern consistent with the United States. The municipalities which are now permitted by law to observe daylight saving time consistent with the United States are:

City, State
Acuna, Coahuila
Anahuac, Nuevo Leon
Juarez, Chihuahua
Matamoros, Tamaulipas
Mexicali, Baja California
Nuevo Laredo, Tamaulipas
Ojinaga, Chihuahua
Piedras Negras, Coahuila
Reynosa, Tamaulipas
Tijuana, Baja California

The observation of daylight saving time for these ten municipalities will begin at 2:00 a.m. local time on the second Sunday in March. On the first Sunday in November these areas will return to Standard Time at 2:00 a.m. local time.

This change in daylight saving time observance was requested by local governments and political leaders to help facilitate commerce with the United States. Industries such as transportation and banking were especially affected by the differences in daylight saving time. In some cases businesses had to to open an hour early than usual to conduct business with US companies during the 3 weeks in March when the two countries were on different times.

Some smaller towns and villages surrounding these ten municipalities may unofficially follow the extended daylight saving time pattern.

 

Mexico Daylight Saving Time Start and End Dates

Year DST Begins at 2 a.m. DST Ends at 2 a.m.
2009 April 5 October 25
2010 April 4 October 31
2011 April 3 October 30
2012 April 1 October 28
2013 April 7 October 27
2014 April 6 October 26
2015 April 5 October 25
2016 April 3 October 30
2017 April 2 October 29
2018 April 1 October 28
Exceptions: State of Sonora and Ten Municipalities along the northern border

Ten northern border municipalities observing same DST schedule as the United States Acuna, Anahuac, Juarez, Matamoros, Mexicali, Nuevo Laredo, Ojinaga, Piedras Negras, Reynosa, and Tijuana
Year DST Begins at 2 a.m. DST Ends at 2 a.m.
2009 March 08 November 1
2010 March 14 November 7
2011 March 13 November 6
2012 March 11 November 4
2013 March 10 November 3
2014 March 09 November 2
2015 March 08 November 1
2016 March 13 November 6
2017 March 12 November 5
2018 March 11 November 4
Exceptions: State of Sonora and Ten Municipalities along the northern border

Mexico Daylight Saving Time -Current Time Comparison

Municipality State Border Municipalities Remainder of State*
Acuna Coahuila Monday
12/22/2014
4:43 PM
CST
Monday
12/22/2014
4:43 PM
CST
Anahuac Nuevo Leon Monday
12/22/2014
4:43 PM
CST
Monday
12/22/2014
4:43 PM
CST
Juarez Chihuahua Monday
12/22/2014
3:43 PM
MST
Monday
12/22/2014
3:43 PM
MST
Matamoros Tamaulipas Monday
12/22/2014
4:43 PM
CST
Monday
12/22/2014
4:43 PM
CST
Mexicali Baja California Monday
12/22/2014
2:43 PM
PST
Monday
12/22/2014
2:43 PM
PST
Nuevo Laredo Tamaulipas Monday
12/22/2014
4:43 PM
CST
Monday
12/22/2014
4:43 PM
CST
Ojinaga Chihuahua Monday
12/22/2014
3:43 PM
MST
Monday
12/22/2014
3:43 PM
MST
Piedras Negras Coahuila Monday
12/22/2014
4:43 PM
CST
Monday
12/22/2014
4:43 PM
CST
Reynosa Tamaulipas Monday
12/22/2014
4:43 PM
CST
Monday
12/22/2014
4:43 PM
CST
Tijuana Baja California Monday
12/22/2014
2:43 PM
PST
Monday
12/22/2014
2:43 PM
PST
* Time in other communities not observing the daylight saving time extension permitted under the legislation enacted by the Mexico Congress in December 2009. These times will only be different during the extended daylight saving time periods.


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