Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

Denver to Portugal

+7h

Denver

MDTSOURCE

USA · UTC-06:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Portugal

WEST

UTC+01:00☀ DST active

HH07

MM00

19:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Denver

Portugal

12:00 AM

7:00 AM

2:00 AM

9:00 AM

4:00 AM

11:00 AM

6:00 AM

1:00 PM

8:00 AM

3:00 PM

10:00 AM

5:00 PM

12:00 PM

7:00 PM

2:00 PM

9:00 PM

4:00 PM

11:00 PM

6:00 PM

1:00 AM+1

8:00 PM

3:00 AM+1

10:00 PM

5:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

MDT and WEST on the World Map

The map below highlights the MDT (Mountain Standard Time) and WEST (Western European Time) timezone regions across the globe.

MDT Zone

→

WEST Zone

Explore all world timezones interactively →

MST – Mountain Standard Time

UTC-07:00

Mountain Standard Time (MST) is the time zone for the Mountain region of North America, 7 hours behind UTC.

Countries in MST

United States (Mountain)Canada (Alberta)Mexico (Chihuahua, Sonora)

Major Cities in MST

DenverPhoenixSalt Lake CityCalgaryEdmontonAlbuquerqueEl PasoTucsonBoiseCiudad Juárez

Key Facts about MST

•Arizona does not observe daylight saving time, staying on MST year-round.
•The Navajo Nation in Arizona does observe DST, unlike the rest of the state.
•Denver, the 'Mile High City', is the largest city fully in MST.
•MST covers 6 US states entirely and parts of several others.

Daylight Saving:Yes – switches to MDT

Learn more about MST on Wikipedia

WET – Western European Time

UTC+00:00

Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.

Countries in WET

PortugalSpain (Canary Islands)MoroccoWestern Sahara

Major Cities in WET

LisbonPortoCasablancaLas PalmasFunchalRabat

Key Facts about WET

•Portugal is the only mainland European country in the WET time zone.
•The Canary Islands are on WET despite being part of Spain (which uses CET).
•WET is identical to GMT and UTC+00:00.

Daylight Saving:Yes – switches to WEST

Learn more about WET on Wikipedia

About Denver

Wikipedia

Denver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.

Population:715,000

Metro:2.9 million

Business Hours:8:00 AM - 5:00 PM MST

Currency:USD ($)

Key Landmarks

Red Rocks AmphitheatreDenver Art MuseumUnion Station16th Street MallColorado State Capitol

Did You Know?

Denver International Airport is the largest airport in North America by land area.

Learn more about MDT timezone →

Time Conversion Guide: Denver to Portugal

Denver runs on Mountain Daylight Time (MDT) at UTC-06:00, currently observing daylight saving time. Portugal runs on Western European Summer Time (WEST) at UTC+01:00, also currently on daylight saving time. That puts Denver 7 hours ahead of Portugal — a difference of +7h at the current offsets.

In practice, when it is 9:00 AM in Denver it is 4:00 PM in Portugal. Midnight in Denver is 7:00 AM in Portugal. Because both zones shift for daylight saving, the gap between them only changes during the few weeks each year when their transition dates differ.

Denver to Portugal time conversion table

Denver (MDT)	Portugal (WEST)	Day
12:00 AM	7:00 AM	same day
6:00 AM	1:00 PM	same day
7:00 AM	2:00 PM	same day
8:00 AM	3:00 PM	same day
9:00 AM	4:00 PM	same day
12:00 PM	7:00 PM	same day
3:00 PM	10:00 PM	same day
5:00 PM	12:00 AM	next day
6:00 PM	1:00 AM	next day
9:00 PM	4:00 AM	next day

Why people convert Denver to Portugal time

Scheduling a call from Denver to Portugal: a 10:00 AM start in Denver lands at 5:00 PM in Portugal, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Denver and Portugal are inside the 9-to-5 working day between 9:00 AM and 10:00 AM MDT time (4:00 PM–5:00 PM WEST). That is roughly 1 hours of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in Denver is 3:00 AM in Portugal makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM MDT" is unambiguous; "3 PM" across a +7h gap is not.
Block 9:00 AM–10:00 AM MDT as the recurring meeting window if you work primarily from Denver and need Portugal colleagues present.
Denver: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +7h gap.
Portugal: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.

About MST (Mountain Standard Time)

Mountain Standard Time (MST) covers the Rocky Mountain region of the United States and Canada. Arizona is notable for not observing daylight saving time, staying on MST year-round (except the Navajo Nation). The time zone includes major cities like Denver, Phoenix, Calgary, and Salt Lake City. During summer, most areas switch to Mountain Daylight Time (MDT, UTC-06:00).

About WET (Western European Time)

Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).

Best time to call between Denver and Portugal

Both Denver and Portugal sit inside the 9 AM – 5 PM working day between 9:00 AM–10:00 AM MDT, which is 4:00 PM–5:00 PM WEST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Denver and Portugal overlap for only 60 minutes (9:00 AM–10:00 AM MDT), so meetings have to be booked precisely.

Denver is 7 hours ahead of Portugal (MDT UTC-06:00 → WEST UTC+01:00). The shared working window is 9:00 AM–10:00 AM MDT. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Denver

☀ Currently in DST

Standard: UTC-07:00 · DST: UTC-06:00

Clocks fall back on Sun, Nov 1, 2026

Portugal

☀ Currently in DST

Standard: UTC+00:00 · DST: UTC+01:00

Clocks fall back on Sun, Oct 25, 2026

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Denver and Portugal?

Denver (MDT, UTC-06:00) is 7 hours ahead of Portugal (WEST, UTC+01:00). The gap is currently +7h.

How do I convert Denver time to Portugal time?

Add +7h to Denver local time. For example, 9:00 AM in Denver is 4:00 PM in Portugal.

What time is it in Portugal right now?

Portugal uses WEST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +7h offset from Denver.

What is the best time to call Portugal from Denver?

Call between 9:00 AM and 10:00 AM MDT — that maps to 4:00 PM–5:00 PM WEST and keeps both parties inside the working day.

Which is ahead, Denver or Portugal?

Denver is 7 hours ahead of Portugal. When it is 12:00 PM in Denver it is 7:00 PM in Portugal.

Do Denver and Portugal use different time zones?

Denver (USA) uses MDT at UTC-06:00, while Portugal (Portugal) uses WEST at UTC+01:00. The IANA identifiers are America/Denver and Europe/Lisbon.

Does daylight saving time affect the Denver–Portugal difference?

Both zones observe DST, so the difference stays at +7h for most of the year and only changes during the weeks when their transition dates do not line up.

Which other cities share Denver's time zone?

MDT also covers Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson and 2 more.

Which countries use MDT, Denver's zone?

MDT is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).

Is there a day difference between Denver and Portugal?

Not normally. The +7h gap only pushes the date over for late-evening times.

What is the time difference between Denver and Portugal?

Portugal is +7h from Denver.

What timezone is Denver in?

Denver operates on Mountain Time (MST/MDT), 2 hours behind New York. As a tech and aerospace hub, Denver bridges West Coast and Central US business hours.

What timezone is Portugal in?

Portugal operates on its local timezone.

What are the business hours in Denver?

Standard business hours in Denver are 8:00 AM - 5:00 PM MST.

Which countries use MST (Mountain Standard Time)?

MST is used in United States (Mountain), Canada (Alberta), Mexico (Chihuahua, Sonora).

Does MST observe daylight saving time?

Yes, MST switches to MDT during summer months.

What are some interesting facts about MST?

Arizona does not observe daylight saving time, staying on MST year-round. The Navajo Nation in Arizona does observe DST, unlike the rest of the state.