2019 Time Zones - Sierra Vista
The graph above shows that there is no clock change in Sierra Vista during 2019.
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 the years before 1970 is not available for Sierra Vista, however, we have earlier time zone history for Phoenix available.