|Current:||MST — Mountain Standard Time|
|Current Offset:||UTC/GMT -7 hours|
|Difference:||3 hours behind Washington DC|
2020 Time Zones - Tucson
The graph above shows that there is no clock change in Tucson during 2020.
Time Changes in Tucson 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|
|2020 — 2029||No changes, UTC -7 hours all of the period|
|* All times are local Tucson time.|
Data for the years before 1970 is not available for Tucson, however, we have earlier time zone history for Hermosillo available.