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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. The states of Sonora and Quintana Roo do not observe Daylight Saving Time. Central Standard Time (CST) became Central Daylight Time (CDT), and so forth. The names in each time zone changed along with Daylight Saving Time.
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On the last Sunday in October areas on Daylight Saving Time fell back to Standard Time at 2:00 a.m. 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. Also Chihuahua has announced that effective the state will observe GMT/UTC - 6h year round with the exception of Chihuahua municipalities which share a border with the United States will continue to observe a daylight light saving time pattern consistent with the United States.
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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. Instead the country will remain on standard time year round. Mexico will not resume the usage of daylight saving time as previously planned in April of 2023. * The Mexico Senate has approved a law to end the use of daylight saving time in most of Mexico. Effective Februat 2:00 am local time the state of Quintana Roo advanced clocks forward by one hour and now observe the newly created time zone named Zona Sureste or Eastern Standard Time.
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The states of Nayarit, Sonora, Sinaloa and Baja California Sur use Mountain Standard Time officially named Zona Pacifico or Pacific Zone and Baja California Norte uses Pacific Standard Time officially named Zona Noroeste or Northwest Zone.Īll island territories including reefs and keys observe the time zone based upon the longitude of their location. The Mexico state of Quintana Roo uses Eastern Standard Time officially named Zona Sureste or Southeast Zone. Most of the country uses Central Standard which is officially named Zona Centro or Central Zone.
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