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Mexico Sticks With Same Daylight Saving Schedule


Published 4-Mar-2008

Despite past controversy over daylight saving time, most of Mexico will continue the same routine in turning its clock one hour ahead at 2am on April 6, 2008.

Mexico Sticks With Same Daylight Saving Schedule

Cities in Mexico observed DST in 2008.

©iStockphoto.com/ Steven Allan

The United States has changed its daylight saving schedule in recent times, but Mexico will stick with the same daylight saving time as planned, beginning at 2am on April 6, 2008.

In the past, Mexico synchronized its daylight saving time with the United States mainly for business and economic reasons. However, daylight saving time has been a contentious issue and is not likely to be extended to reflect the daylight saving changes in the United States as a result of the Energy Policy Act of 2005. Daylight saving time is referred to in Spanish as "horario estacional" or "horario de verano".

Mexico’s Time Zones

Mexico observes three different time zones in the winter:

However, the state of Sonora remains on Mountain Standard Time throughout the year when most of the country adapts to daylight saving time. Since 1998, Sonora does not observe daylight saving time mainly due to economic and business ties with its bordering state, Arizona, in the United States.

Temporary One-Hour Lag

Until 2006, daylight saving time in many parts of Mexico and the United States was synchronized to begin on the first Sunday in April and to end on the last Sunday in October. However, the border areas of Mexico and the United States will experience a one-hour time difference from March 9 until April 6, 2008, when Mexico winds the clock forward by one hour.

In 2007 the four-week gap affected thousands of residents from cities that border the two countries. That year, Mexican customs agreed to open an hour earlier in the weeks when the clocks were one hour apart between towns that bordered Mexico and the United States. People who worked and lived around these areas complained they were affected on a daily basis with regard to work and education. However, many businesses expressed a positive outlook, saying the time adjustment was only for a short period.

Mexico’s Recent Daylight Saving Time History

After many years of debate, daylight saving time was introduced in Mexico's northeastern border states in the late 1980s. It brought benefits to the region as commercial sales and industrial productivity increased while crime, automobile accidents and energy use decreased. However, the region discontinued daylight saving time in 1989, sparking an array of heated arguments among politicians and locals.

As a nation, Mexico adopted daylight saving time in 1996 to save energy throughout the country and partly due to its increasing economic ties to the United States. The state of Sonora stopped using it in 1998 to keep pace with the schedule of Arizona, as most of Arizona does not observe daylight saving.

In 1999, fuel was added to the daylight saving debate. Some Mexicans were convinced that the introduction of daylight saving time undermined their health and sanity by causing drowsiness, headaches and stress. Others resented a widespread belief that daylight saving was adopted from pressure to conform to the United States. National health officials later assured Mexicans that daylight saving time was not a health hazard.

In 2000 a clash emerged between some state governments and federal authorities regarding the use of daylight saving time in Mexico. Many state legislatures, supported by their governor, adopted resolutions condemning daylight saving time and threatened to ignore the national time change. In 2001 daylight saving time was reduced to five months, from May to September instead of April to October. Mexico City Mayor Andres Manuel Lopez Obrador decreed at the time that the capital would refuse to "spring forward" with the rest of the country for daylight savings time in May. However, the Supreme Court ordered the city to comply with the country’s observance of daylight saving time. Sparks also flew from the airline industry and in 2002 daylight saving time was amended to last for seven months.

The issue of daylight saving time in Mexico is still being evaluated and it continues to remain controversial. Mexico plans to revert to standard time at 2am on October 26, 2008.

Dates of Daylight Saving Time 1996–2015

These are the dates Daylight Saving Time started and ended in Mexico City and tentative dates for the future.

Current Local Times Around the World

AccraSat 20:04Casablanca *Sat 21:04KolkataSun 01:34ReykjavikSat 20:04
Addis AbabaSat 23:04Chicago *Sat 15:04Kuala LumpurSun 04:04Rio de JaneiroSat 17:04
AdelaideSun 05:34Copenhagen *Sat 22:04Kuwait CitySat 23:04RiyadhSat 23:04
AlgiersSat 21:04Dallas *Sat 15:04Kyiv *Sat 23:04Rome *Sat 22:04
AlmatySun 02:04Dar es SalaamSat 23:04La PazSat 16:04Salt Lake City *Sat 14:04
Amman *Sat 23:04DarwinSun 05:34LagosSat 21:04San Francisco *Sat 13:04
Amsterdam *Sat 22:04Denver *Sat 14:04LahoreSun 01:04San JuanSat 16:04
AnadyrSun 08:04Detroit *Sat 16:04Las Vegas *Sat 13:04San SalvadorSat 14:04
Anchorage *Sat 12:04DhakaSun 02:04LimaSat 15:04SantiagoSat 16:04
AnkaraSat 23:04DohaSat 23:04Lisbon *Sat 21:04Santo DomingoSat 16:04
AntananarivoSat 23:04DubaiSun 00:04London *Sat 21:04São PauloSat 17:04
AsuncionSat 16:04Dublin *Sat 21:04Los Angeles *Sat 13:04Seattle *Sat 13:04
Athens *Sat 23:04Edmonton *Sat 14:04Madrid *Sat 22:04SeoulSun 05:04
Atlanta *Sat 16:04Frankfurt *Sat 22:04ManaguaSat 14:04ShanghaiSun 04:04
AucklandSun 08:04Guatemala CitySat 14:04ManilaSun 04:04SingaporeSun 04:04
BaghdadSat 23:04Halifax *Sat 17:04MelbourneSun 06:04Sofia *Sat 23:04
BangaloreSun 01:34HanoiSun 03:04Mexico City *Sat 15:04St. John's *Sat 17:34
BangkokSun 03:04HarareSat 22:04Miami *Sat 16:04Stockholm *Sat 22:04
Barcelona *Sat 22:04Havana *Sat 16:04Minneapolis *Sat 15:04SuvaSun 08:04
BeijingSun 04:04Helsinki *Sat 23:04MinskSat 23:04SydneySun 06:04
Beirut *Sat 23:04Hong KongSun 04:04MontevideoSat 17:04TaipeiSun 04:04
Belgrade *Sat 22:04HonoluluSat 10:04Montréal *Sat 16:04Tallinn *Sat 23:04
Berlin *Sat 22:04Houston *Sat 15:04MoscowSat 23:04TashkentSun 01:04
BogotaSat 15:04Indianapolis *Sat 16:04MumbaiSun 01:34TegucigalpaSat 14:04
Boston *Sat 16:04IslamabadSun 01:04NairobiSat 23:04Tehran *Sun 00:34
BrasiliaSat 17:04IstanbulSat 23:04Nassau *Sat 16:04TokyoSun 05:04
BrisbaneSun 06:04JakartaSun 03:04New DelhiSun 01:34Toronto *Sat 16:04
Brussels *Sat 22:04Jerusalem *Sat 23:04New Orleans *Sat 15:04Vancouver *Sat 13:04
Bucharest *Sat 23:04JohannesburgSat 22:04New York *Sat 16:04Vienna *Sat 22:04
Budapest *Sat 22:04KabulSun 00:34Oslo *Sat 22:04Warsaw *Sat 22:04
Buenos AiresSat 17:04KarachiSun 01:04Ottawa *Sat 16:04Washington DC *Sat 16:04
CairoSat 22:04KathmanduSun 01:49Paris *Sat 22:04Winnipeg *Sat 15:04
Calgary *Sat 14:04KhartoumSat 22:04PerthSun 04:04YangonSun 02:34
CanberraSun 06:04KingstonSat 15:04Philadelphia *Sat 16:04Zagreb *Sat 22:04
Cape TownSat 22:04KinshasaSat 21:04PhoenixSat 13:04Zürich *Sat 22:04
CaracasSat 16:04KiritimatiSun 10:04Prague *Sat 22:04

* Adjusted for Daylight Saving Time (64 places).

Sat = Saturday, 17 August 2019 (105 places).
Sun = Sunday, 18 August 2019 (38 places).

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