Time in Mexico
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Mexico uses 4 different UTC offsets as defined in the Law of Time Systems of the United Mexican States[1]:
- Zone 1 (Central Zone) includes most of Mexico and is equivalent to UTC-6, or the equivalent of Candian and American Central Time Zone.
- Zone 2 (Pacific Zone) includes the states of Baja California Sur, Chihuahua, Nayarit, Sinaloa, Sonora use UTC-7 or the equivelent of Canadian and American Mountain Time Zone.
- Zone 3 (Northwest Zone) includes the state of Baja California Norte uses UTC-8 or the equivalent of Candian and American Pacific Time Zone.
In addition, the law dictates that all island territories should fall within the time zone corresponding to their geographic location.
Daylight saving time ("horario estacional" in Spanish) is observed in Mexico, though it does not coincide with the longer extended daylight savings period adopted for 2007 in the United States. Rather, the law dictates that daylight savings time be observed between 2 a.m. on the first Sunday in April through 2 a.m. on the last Sunday in October.[2]
Daylight savings time is observed in all parts of the country except for the state of Sonora (to coincide with the non-observation in southern Arizona with which Sonora shares a border) and the island territories.