Except for two Mexican states that do not observe Daylight Savings Time (DST), Mexico moves its clocks back by one hour — on October 29, 2017 or November 5, 2017 — depending on the location.
The states of Sonora and Quintana Roo are not observing DST
The Mexican states of Sonora and Quintana Roo (which includes the popular resorts of Cancun, Playa del Carmen, Tulum, Isla Mujeres and Cozumel) will not observe DST in 2017.
Autumn Clock Changes in Mexico 2017 (“Fall Backward”)
DST in mainland Mexico (except the states of Sonora and Quintana Roo) and Baja California Sur will end on Sunday October 29th 2017, when the clocks will be moved back by one hour at 2 a.m.
The state of Baja California (not to be confused with Baja California Sur) and Mexican cities immediately bordering the US (including Juarez, Nuevo Laredo, Reynosa and Matamoros) clocks move back one hour at 2 a.m. on Sunday November 5, 2017.
Note about US & European Clock Time Changes
Mexico’s mainland clock-time change dates are not usually synchronized with U.S. or European clock-time change dates, so if you’re traveling or scheduling appointments between Mexico, the US and Europe this spring and autumn, make a note to double-check your times, especially as flights and other public transportation systems always operate their schedules using local time.
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