Americas · United States

Current time in Tucson

Mountain Standard Time.

MST · UTC-07:00IANA: America/Phoenix32.22° N · 110.93° W
Current time☾ Night
21:37:38

Monday, June 1, 2026

☾ NIGHT 05:1712:2119:25
Sunrise
05:17
Solar noon
12:21
Sunset
19:25

Offset right now

UTC-07:00

Mountain Standard Time · MST

Daylight saving

Not observed

This zone has no seasonal clock change.

About Tucson time

Tucson keeps one clock.

Tucson, in southern Arizona (US), has a desert rhythm that rewards early mornings—workers often wrap up outdoor tasks by noon, leaving afternoons open or indoors. Coordinating with Phoenix–Scottsdale is seamless for local projects, but keep in mind that most of the country is an hour ahead or behind, which shifts the best times to book calls with coasts.

Frequently asked questions

Common questions about Tucson's time zone, daylight saving rules, and scheduling across it. Can't find what you need? Email [email protected].

Why doesn’t Tucson change its clocks on daylight saving?
Arizona chose to stay permanent MST to avoid extreme 5–6 pm summer sunsets and conserve cooling energy.
How does the 7-hour‑behind‑UTC offset affect calls to Europe?
Overlapping work hours are limited; morning Tucson time catches European afternoons before offices close.
Is business slower in summer?
Heat can stall construction and shift culture toward indoor or evening work, though offices maintain typical MST hours.
Why does Tucson share a time zone with Phoenix?
Arizona’s exemption from DST means the whole state runs year-round MST and matches Phoenix’s clock.
How does Tucson’s jump to and from Pacific Daylight Time feel?
During DST (March–Nov), Tucson appears on the same time as California but actually sits an hour ahead of standard-time Mountain cities.
Does sunrise timing feel different compared to most U.S. cities?
With 7 hours behind UTC and no clock shifts, sunrise is consistently early—great for runners and early shifts.
What’s the best window to reach teams on the East Coast?
Aim for Tucson’s early morning (7–9 a.m. MST), which lines up with 9–11 a.m. Eastern Time.

Free · Developer API

Time, as JSON.

Every IANA time zone with live offsets, DST status, and the countries and cities that use them — clean, dependable JSON. Sign up free and get an API key in seconds.

GET /v1/timezones Live

countries, cities, convert, DST transitions coming next.

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// France's time zones, right now
GET /v1/timezones?country=fr
{
"data": [
{
"iana": "Europe/Paris",
"display_name": "Paris",
"current": {
"utc_offset": "+02:00",
"abbreviation": "CEST",
"is_dst": true
}
}
]
}