Americas · United States
Current time in Phoenix
Mountain Standard Time.
Monday, June 1, 2026
Daylight saving
Not observed
This zone has no seasonal clock change.
About Phoenix time
Phoenix keeps one clock.
Phoenix runs on Mountain Standard Time year-round, so teams syncing with coastal colleagues should remember that Arizona doesn’t spring-forward or fall-back. Summer afternoons past 5 p.m. PST still offer overlap with East Coast end-of-day calls, making it easy to schedule evening standups. The desert sun sets early in winter (about 5:30 p.m.), so mornings tend to be the most productive window for cross-time-zone work. timezone: MST
Frequently asked questions
Common questions about Phoenix's time zone, daylight saving rules, and scheduling across it. Can't find what you need? Email [email protected].
- Why doesn’t Phoenix observe daylight saving time?
- Arizona (except the Navajo Nation) opted out of DST to avoid extreme summer evening heat—more daylight in the evening means extra air‑conditioning and energy use. This keeps clocks consistent, simplifying scheduling with MST partners.
- What’s the best overlap window for remote meetings with Europe?
- Phoenix (MST) aligns well at 8–10 a.m. local time, which is 4–6 p.m. CET; early risers catch Europe’s late‑afternoon slot before locals head to lunch.
- How does summer heat impact work schedules?
- In peak summer, many Phoenix teams start earlier (6–7 a.m.) and wrap by early afternoon, freeing the hottest hours; partners should target late‑morning calls before the desert heat peaks.
- Is Phoenix the largest U.S. city on permanent standard time?
- Yes—Phoenix (pop. ~1.65 M) is by far the most populous U.S. city that never shifts clocks, making it a go‑to reference point for stable MST schedules.
- Do any nearby regions still use DST?
- The Navajo Nation in northeast Arizona does observe DST, so when coordinating trips or calls across state lines, confirm whether the local community follows the spring‑forward shift.
- How do daylight hours shift across seasons?
- Winter sunsets hit around 5:30 p.m. (early darkness) and summer sunsets near 7:45 p.m.; early‑morning video calls avoid glare and heat in long summer days.
- Why is Phoenix popular with remote workers?
- Consistent MST means fewer calendar surprises, affordable cost‑of‑living, and tech‑hub coworking spaces catering to global teams across time zones.
- Any quirks for scheduling with California?
- During California’s DST period (spring‑fall), Phoenix matches Pacific Daylight Time—so no offset; rest of year Phoenix is one hour ahead of LA, useful for meeting invites.
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