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Mexican President Andrés Manuel López Obrador (AMLO) signed an initiative on Tuesday, July 5, eliminating Daylight Savings Time (DST) in order “to not compete with people’s biological clock and to return to ‘God’s clock’.” That initiative was then sent to the Mexican Congress to be approved.

Noting that the economic gains resulting from DST were minimal compared to the detrimental effects it has had on people’s health (there is a higher incidence of heart attack and stroke during the twice-a-year changeover period), AMLO said that the elimination of Daylight Savings had been a long time coming.

“We shouldn’t fight against our biological clocks. The best thing to do is to go back to standard time, which is when the time of the sundial coincides with the time of the social clock, God’s clock,” he said, speaking during his daily morning press conference at the National Palace.

“Humans have biological clocks that regulate bodily functions,” added Mexican Public Health Secretary Jorge Alcocer.

“The time change increases exposure to the sun and unbalances the biological clock, so we should keep the winter time, as this will also help to reduce diseases such as insomnia and depression.”

Alcocer also said that appetite tends to decrease during the day and increase at night, so it is best to not be switching between time schedules.

Energy Secretary Rocío Nahle, who also spoke during the conference, said that, according to a government survey, 71 percent of Mexicans were opposed to DST, and only 29 percent favored it.

“There has been popular rejection of DST since 1996, when this schedule was installed,” she said.

“Energy savings are very low compared to total consumption and there is no impact on family consumption. There are no significant changes in sunlight in tropical countries.”

Likewise, Nahle said that energy savings at a result of the measure have only been 0.2 percent in three years of government.

Notwithstanding, Nahle said that the elimination of Daylight Savings will not apply to municipalities on the northern border, whose businesses are closely linked to those of the United States, where DST is to be established as a permanent measure.


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