Daylight saving time: What day should the time be changed in the United States?

Daylight saving time: What day should the time be changed in the United States? The beginning of winter in the United States causes a well-known time change in the country, and here we explain everything you need to know about this event and how to calculate the hours. The wintertime change in the United States begins on March 14, 2022. The time change depends on where in the world you are since it depends on whether or not you should adjust the time on your watch. More than 60 countries have the time change twice (November and March): summertime , if they are in the northern hemisphere, or wintertime if they are in the southern hemisphere. Those that are exempt from these changes are the countries near the Equator. 

When does the time change in the United States?

What day do you have to change the time in the USA? This year, the summertime change will take place this Sunday, March 14, 2021, at 2 in the morning, becoming 3 in the morning.

This time change is made according to the time zones throughout the United States. Starting with the Atlantic time zone, then an hour later the Eastern zone, then the Central zone, continuing with the Mountain zone, the Pacific zone, and ending with the Alaska zone.

Which US states will change from daylight saving time in 2022

The regions of the country that do not have to change the time are Arizona, Hawaii, Guam, American Samoa, Puerto Rico, and the Virgin Islands. It should be noted that the Arizona Indian Reservation is the only region in that state that does change time.

Summer and winter time: ahead or behind in the USA

On the contrary, in wintertime, on November 7 at the same time, you will have to delay one hour less. This time change only affects the continental United States and not all North American countries.

Why does the time change in the United States?

This wintertime change in the United States has been recorded since 1918 with the aim of saving energy. For this reason, moving the time back in the country meant saving a total of US$2 million in gas and more than 1 million tons of coal, according to a publication in the New York Times, although at present the savings are less. And the summertime change has the same logic but it is advanced an hour since it is expected to take advantage of all the light possible.

How the change of schedules in the USA affects Mexico

Like the United States, Mexico is also affected by the arrival of winter and summer. You should keep in mind that daylight saving time ends in Mexico on Sunday, October 31. 

This border strip corresponds to the City of Ensenada, to the border municipalities of Tijuana and Mexicali in Baja California; Juarez and Ojinaga in Chihuahua; Acuña and Piedras Negras in Coahuila; Anahuac in Nuevo León; and Nuevo Laredo, Reynosa and Matamoros in Tamaulipas.

How the change of schedules in the USA affects Spain

The time change according to summer time for Spain will take place this morning from Saturday, March 27, 2020, to Sunday, March 28, when at 2 it will be 3; that is, the clock advances one hour and, therefore, we sleep one hour less. This change does not correspond to what is handled by the United States.

How the change of schedules in the USA affects Central America

The time change does not apply in the countries of Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, or Panama. The Central American countries that do use the time change according to summertime do not have the current measure.

How the change of schedules in the USA affects South America

The time change will take place this Sunday, March 28, at midnight for those who live in Chile and Paraguay. They will have to set their clocks back an hour because for these regions the wintertime is just beginning. 

Time change in the United States: effect on health

They also evaluated cases of changes in blood pressure during the first days after starting the time change for summer or winter time, due to the sudden change between the biological clock and the circadian rhythm with the increase or decrease of one hour more than sleep. Likewise, another cause of this increase in blood pressure is due to the fact that it affects cellular alterations.

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