Daylight Saving Time in Mexico

* The Mexico Senate has approved a law to end the use of daylight saving time in most of Mexico. Mexico will not resume the usage of daylight saving time as planned in April of 2023. Instead the country will remain on standard time year round. The ten Mexico municipalities which share a border with the United States will continue to observe a daylight light saving time pattern consistent with the United States. Also Chihuahua has announced that effective 10/30/2022 the state will observe GMT/UTC - 6h year round.

Previous to the law ending the use of daylight saving time in 2023 most of Mexico began daylight saving time at 2:00 a.m. local time on the first Sunday in April. On the last Sunday in October areas on Daylight Saving Time fell back to Standard Time at 2:00 a.m. The names in each time zone changed along with Daylight Saving Time. Central Standard Time (CST) became Central Daylight Time (CDT), and so forth. The states of Sonora and Quintana Roo do not observe Daylight Saving Time.

Mexico change clocks for daylight saving time

Mexico Daylight Saving Time Start and End Dates

Year DST Begins at 2 a.m. DST Ends at 2 a.m.
2023 No daylight saving time No daylight saving time
2022 April 3 October 30
2021 April 4 October 31
2020 April 5 October 25
2019 April 7 October 27
2018 April 1 October 28
2017 April 2 October 29
2016 April 3 October 30
2015 April 5 October 25
2014 April 6 October 26
2013 April 7 October 27
2012 April 1 October 28
2011 April 3 October 30
2010 April 4 October 31
Exceptions: State of Sonora and some municipalities along the northern border

Ten northern border municipalities Acuna, Anahuac, Juarez, Matamoros, Mexicali, Nuevo Laredo, Ojinaga, Piedras Negras, Reynosa, and Tijuana officially observe the same DST schedule as the United States. Other nearby municipalities and towns are unofficially observing this schedule.
Year DST Begins at 2 a.m. DST Ends at 2 a.m.
2023 March 12 November 5
2022 March 13 November 6
2021 March 14 November 7
2020 March 8 November 1
2019 March 10 November 3
2018 March 11 November 4
2017 March 12 November 5
2016 March 13 November 6
2015 March 08 November 1
2014 March 09 November 2
2013 March 10 November 3
2012 March 11 November 4
2011 March 13 November 6
2010 March 14 November 7

In 2010 ten Mexico municipalities which share a border with the United States began a pattern of starting daylight saving time three weeks earlier on the second Sunday in March and ending 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* See note below
Matamoros, Tamaulipas
Mexicali, Baja California
Nuevo Laredo, Tamaulipas
Ojinaga, Chihuahua* See note below
Piedras Negras, Coahuila
Reynosa, Tamaulipas
Tijuana, Baja California

Important Note: Chihuahua has announced that effective 10/30/2022 the state will observe GMT/UTC - 6h year round. It is not yet clear if the cities of Juarez and Ojinaga will continue to observe daylight saving time consistent with the United States.

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.

Since 2010 other smaller municipalities and towns near the border with the United States have begun to unofficially observing daylight saving time consistent with the United States . The chart below indicates municipalities that are officially and unofficially observing daylight saving time consistent with the United States.

The observation of daylight saving time for municipalities observing daylight saving time consistent with the United States begins 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.

Mexico Border Towns - Current Times

Municipality State Current Time
Acuna * Coahuila Thursday
12/8/2022
9:55 AM
CST
Anahuac * Nuevo Leon Thursday
12/8/2022
9:55 AM
CST
Juarez * Chihuahua Thursday
12/8/2022
8:55 AM
MST
Matamoros * Tamaulipas Thursday
12/8/2022
9:55 AM
CST
Mexicali * Baja California Thursday
12/8/2022
7:55 AM
PST
Nuevo Laredo * Tamaulipas Thursday
12/8/2022
9:55 AM
CST
Ojinaga * Chihuahua Thursday
12/8/2022
8:55 AM
MST
Piedras Negras * Coahuila Thursday
12/8/2022
9:55 AM
CST
Reynosa * Tamaulipas Thursday
12/8/2022
9:55 AM
CST
Tijuana * Baja California Thursday
12/8/2022
7:55 AM
PST
* Municipalities which are now permitted by law to observe daylight saving time consistent with the United States. Others smaller towns in the region are reported to be unofficially observing daylight saving time consistent with the United States.


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