Flag for USA

Clock Changes in Tempe, Arizona, USA 2015


1970 - 2030

No further time changes in 2015 in Tempe
Location of TempeLocation

Daylight Saving Time (DST) Not Observed in Year 2015

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

Which countries & states use DST and which do not?