2015 Time Zones - Sierra Vista
The graph above shows that there is no clock change in Sierra Vista during 2015.
Time Changes in Sierra Vista over the years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
|Year||Date & Time||Abbreviation||Time Change||Offset After|
|2010 — 2019||No changes, UTC -7 hours all of the period|
|* All times are local Sierra Vista time.|
Data for years before 1970 not available for Sierra Vista, but we have earlier time zone history for Phoenix available.