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Clock Changes in Sierra Vista, Arizona, USA

No DST

1970 - 2030

No further time changes in 2024 in Sierra Vista
Location of Sierra VistaLocation

Daylight Saving Time (DST) Not Observed in Year 2024

USA currently observes 6 time zones all year.

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

DST data from before 1970 is not available for Sierra Vista, USA. However, we have earlier DST history for Phoenix, USA available.

Which countries & states use DST and which do not?