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Clock Changes in Grand Canyon National Park, Arizona, USA

No DST

1970 - 2030

No further time changes in 2021 in Grand Canyon National Park
Location of Grand Canyon National ParkLocation

Daylight Saving Time (DST) Not Observed in Year 2021

Grand Canyon National Park currently observes Mountain Standard Time (MST) all year.

Daylight Saving Time has not been used since our records start, in 1970.

DST data from before 1970 is not available for Grand Canyon National Park, USA. However, we have earlier DST history for Phoenix, USA available.

Which countries & states use DST and which do not?