What time zone is Summit in?

Summit uses Mountain Standard Time (MST, UTC−7) all year. Its IANA time zone is America/Phoenix.

Does Summit observe daylight saving time?

No. Summit uses MST (UTC−7) all year.

Current Time in Summit, Pima County, Arizona, USA

12:17:57 AM

00:17:57

Thursday, October 29, 2026

MST (Mountain Standard Time) · UTC−07:00

America/Phoenix

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Time zone details

Summit does not observe daylight saving time in 2026

Daylight in Summit

Sunrise6:38 AMSolar noon12:07 PMSunset5:36 PM

Clock change statusNo clock changes are scheduled for Summit in the next 12 monthsView schedule Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: USA
State: Arizona
County: Pima County
Place type: Populated place
Country currency: US Dollar (USD)

Practical

Country languages: English, Spanish, Hawaiian, French
Dialing code: +1
Population: 5,372
Elevation: 799 m

Geography

Geographic coordinates: 32° 04' N / 110° 57' W

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Clock changes in Summit

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

USA daylight saving time Clock changes worldwide

Sun & Moon details

Sunrise: 6:38 AM
Solar noon: 12:07 PM
Sunset: 5:36 PM
Daylight duration: 10 hr 58 min1 min 45 sec shorter than the previous day

Civil twilight: 6:13 AM – 6:01 PM
Nautical twilight: 5:44 AM – 6:30 PM
Astronomical twilight: 5:15 AM – 6:58 PM

Waning GibbousMoon illumination83%

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Thursday, October 29, 2026

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Sun

Sunrise: 6:38 AM (east, 105.6°)
Sunset: 5:36 PM (west, 254.3°)
Day length: 10 hr 58 min1 min 45 sec shorter than the previous day
Solar noon: 12:07 PM (44.3° altitude)

Civil twilight

Dawn to dusk: 6:13 AM – 6:01 PM

Additional twilight

Nautical dawn to dusk: 5:44 AM – 6:30 PM
Astronomical dawn to dusk: 5:15 AM – 6:58 PM

Moon

Phase: Waning Gibbous (83% illuminated)
Moonrise: 8:38 PM (northeast, 57.0°)
Moonset: 10:44 AM (northwest, 303.2°)
Previous principal phase: Full Moon — Sunday, October 25, 2026 at 9:12 PM
Next principal phase: Third Quarter — Sunday, November 1, 2026 at 1:28 PM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Thursday, October 29	6:38 AM	5:36 PM	10 hr 58 min	1 min 45 sec shorter than the previous day
Friday, October 30	6:39 AM	5:35 PM	10 hr 56 min	1 min 44 sec shorter than the previous day
Saturday, October 31	6:40 AM	5:34 PM	10 hr 54 min	1 min 44 sec shorter than the previous day
Sunday, November 1	6:40 AM	5:33 PM	10 hr 53 min	1 min 42 sec shorter than the previous day
Monday, November 2	6:41 AM	5:32 PM	10 hr 51 min	1 min 42 sec shorter than the previous day
Tuesday, November 3	6:42 AM	5:31 PM	10 hr 49 min	1 min 41 sec shorter than the previous day
Wednesday, November 4	6:43 AM	5:30 PM	10 hr 48 min	1 min 39 sec shorter than the previous day

Weather forecast for Summit

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Plan around Summit

Upcoming public holidays in Arizona

Wed, Nov 11, 2026Veterans Day
Thu, Nov 26, 2026Thanksgiving Day
Fri, Dec 25, 2026Christmas Day

Nearby places

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Frequently asked questions

What time zone is Summit in?: Summit uses Mountain Standard Time (MST, UTC−7) all year. Its IANA time zone is America/Phoenix.
When is the next clock change in Summit?: No clock changes are scheduled for Summit in the next 12 months
Does Summit observe daylight saving time?: No. Summit uses MST (UTC−7) all year.
What is the UTC offset of Summit?: Summit is UTC−7 all year