Denver uses Mountain Time (MT) — UTC−7 in winter (MST) and UTC−6 in summer (MDT). Known as the "Mile High City", it sits exactly one mile (1,609 m) above sea level and is the gateway to the Rocky Mountains.
Everything you need to know about Denver's time zone, UTC offset, and Daylight Saving Time schedule.
From the first Sunday of November to the second Sunday of March, Denver observes MST (UTC−7). This is the standard winter time used across the Rocky Mountain region.
From the second Sunday of March to the first Sunday of November, Denver advances to MDT (UTC−6) — clocks move forward 1 hour, giving longer summer evenings.
The official IANA time zone name for Denver is America/Denver. This identifier is used in programming, operating systems, and all modern calendar applications.
Spring forward: 9 March 2025 at 02:00 → 03:00
Fall back: 2 November 2025 at 02:00 → 01:00
Spring forward: 8 March 2026 at 02:00 → 03:00
Fall back: 1 November 2026 at 02:00 → 01:00
Denver has more breweries than any other US city and is home to the Great American Beer Festival, the largest beer festival in North America.
Denver is the starting point for outdoor adventures in the Rockies — skiing, hiking, and mountain biking, all within a short drive.
Denver is the capital and most populous city of Colorado, with a population of over 715,000 (metro area nearly 3 million). Nicknamed the "Mile High City" because its official elevation is exactly one mile (1,609 m) above sea level, Denver is known for its stunning views of the Rocky Mountains, sunny weather (over 300 days of sunshine per year), and active outdoor lifestyle.
The city is a major hub for craft beer, with more breweries per capita than any other US city. The annual Great American Beer Festival draws over 60,000 attendees and features thousands of beers from across the country. Denver's RiNo (River North) Art District and LoDo (Lower Downtown) are filled with brewpubs, art galleries, and trendy restaurants.
Denver is the gateway to the Rocky Mountains. Within an hour's drive, residents and visitors can access world-class ski resorts (Breckenridge, Vail, Keystone, Winter Park), hiking trails, mountain biking, and whitewater rafting. The city itself has over 200 parks and 850 miles of bike trails, including the famous Cherry Creek and South Platte River trails.
Economically, Denver is a growing center for aerospace, telecommunications, and technology. Major employers include United Airlines (largest hub at DEN), Lockheed Martin, Ball Aerospace, Arrow Electronics, and numerous startups. The city also hosts the Denver Broncos (NFL), Colorado Rockies (MLB), Denver Nuggets (NBA), and Colorado Avalanche (NHL).
Denver International Airport (DEN) is the largest airport by land area in the United States and the third-busiest in the world. It offers non-stop flights to over 200 destinations, including Tokyo, London, Frankfurt, Munich, and Reykjavik.
715,000+ (city) / 3M (metro). Capital and largest city of Colorado.
More breweries per capita than any US city. Home of the Great American Beer Festival.
World-class skiing, hiking, and mountain biking within an hour of downtown.
Largest airport by land area in the US, 3rd busiest in the world, serving over 200 destinations.
Semi-arid. Over 300 sunny days per year. Mild winters (avg. 0°C / 32°F in January), warm summers (avg. 30°C / 86°F in July).
+1 (US country code). Area codes: 303, 720. Currency: US Dollar (USD, $).
Current time in major cities compared to Denver. Times update live every second.
Note on DST transitions: The offsets shown above reflect the current live offset, which changes twice a year due to Daylight Saving Time. The US, EU, and other regions change their clocks on different dates, which means the difference between Denver and a European city can vary by 1 hour for a short period in spring and autumn. Always verify the exact time difference around DST transition dates for critical scheduling.
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Denver's Mountain Time zone influences everything from ski resort opening times to the Great American Beer Festival schedule. The Mountain Time Zone spans from the Canadian Rockies to the deserts of Arizona and New Mexico.
TimeZoria AI uses your browser's built-in Intl API and the IANA tz database to always display the correct Denver time — including DST changes — without any network requests.
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Common questions about Denver's time zone, UTC offset, and Daylight Saving Time.