Clock Changes in Scottsdale, Arizona, USA 2029

Daylight Saving Time (DST) Not Observed in Year 2029

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 Scottsdale, USA. However, we have earlier DST history for Phoenix, USA available.

Which countries & states use DST and which do not?