Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Chile to Denver

-3h

Chile

CLSTSOURCE

UTC-03:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Denver

MDT

USA · UTC-06:00☀ DST active

HH09

MM00

09:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Chile

Denver

12:00 AM

9:00 PM-1

2:00 AM

11:00 PM-1

4:00 AM

1:00 AM

6:00 AM

3:00 AM

8:00 AM

5:00 AM

10:00 AM

7:00 AM

12:00 PM

9:00 AM

2:00 PM

11:00 AM

4:00 PM

1:00 PM

6:00 PM

3:00 PM

8:00 PM

5:00 PM

10:00 PM

7:00 PM

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

CLST and MDT on the World Map

The map below highlights the CLST (Chile Standard Time) and MDT (Mountain Standard Time) timezone regions across the globe.

CLST Zone

→

MDT Zone

Explore all world timezones interactively →

CLT – Chile Standard Time

UTC-04:00

Chile Standard Time (CLT) is the time zone for continental Chile, 4 hours behind UTC.

Countries in CLT

Chile

Major Cities in CLT

SantiagoValparaísoConcepciónViña del MarAntofagasta

Key Facts about CLT

•Chile observes daylight saving time, switching to CLST (UTC-03:00) in summer.
•Santiago is the largest city in Chile with over 6 million in the metro area.
•Chile spans over 4,300 km from north to south but uses one timezone.

Daylight Saving:Yes – switches to CLST

Learn more about CLT on Wikipedia

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

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 →

Chile to Denver Time Difference – Complete Guide

Chile runs on Chile Summer Time (CLST) at UTC-03:00, currently observing daylight saving time. Denver runs on Mountain Daylight Time (MDT) at UTC-06:00, also currently on daylight saving time. That puts Chile 3 hours behind Denver — a difference of -3h at the current offsets.

In practice, when it is 9:00 AM in Chile it is 6:00 AM in Denver. Midnight in Chile is 9:00 PM in Denver. Because both zones shift for daylight saving, the gap between them only changes during the few weeks each year when their transition dates differ.

Chile to Denver time conversion table

Chile (CLST)	Denver (MDT)	Day
12:00 AM	9:00 PM	previous day
6:00 AM	3:00 AM	same day
7:00 AM	4:00 AM	same day
8:00 AM	5:00 AM	same day
9:00 AM	6:00 AM	same day
12:00 PM	9:00 AM	same day
3:00 PM	12:00 PM	same day
5:00 PM	2:00 PM	same day
6:00 PM	3:00 PM	same day
9:00 PM	6:00 PM	same day

Why people convert Chile to Denver time

Scheduling a call from Chile to Denver: a 10:00 AM start in Chile lands at 7:00 AM in Denver, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Chile and Denver are inside the 9-to-5 working day between 12:00 PM and 5:00 PM CLST time (9:00 AM–2:00 PM MDT). That is roughly 5 hours of usable overlap.
Coordinating a Chile-based team with Denver contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM CLST" is unambiguous; "3 PM" across a -3h gap is not.
Block 12:00 PM–5:00 PM CLST as the recurring meeting window if you work primarily from Chile and need Denver colleagues present.
Chile: Clocks fall back on Sun, Apr 4, 2027. Re-check this page after that date because the offset changes and so does the -3h gap.
Denver: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.

About CLT (Chile Standard Time)

Chile Standard Time (CLT) is the standard time in Chile. During summer months (October to March), Chile switches to Chile Summer Time (CLST, UTC-03:00). Chile is the longest north-south country in the world.

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).

Best time to call between Chile and Denver

Both Chile and Denver sit inside the 9 AM – 5 PM working day between 12:00 PM–5:00 PM CLST, which is 9:00 AM–2:00 PM MDT. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Chile and Denver share 5 hours of working-hours overlap (12:00 PM–5:00 PM CLST), so scheduling a live meeting is straightforward.

Chile is 3 hours behind Denver (CLST UTC-03:00 → MDT UTC-06:00). The shared working window is 12:00 PM–5:00 PM CLST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Chile

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

Clocks fall back on Sun, Apr 4, 2027

Denver

☀ Currently in DST

Standard: UTC-07:00 · DST: UTC-06:00

Clocks fall back on Sun, Nov 1, 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 Chile and Denver?

Chile (CLST, UTC-03:00) is 3 hours behind Denver (MDT, UTC-06:00). The gap is currently -3h.

How do I convert Chile time to Denver time?

Add -3h to Chile local time. For example, 9:00 AM in Chile is 6:00 AM in Denver.

What time is it in Denver right now?

Denver uses MDT at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h offset from Chile.

What is the best time to call Denver from Chile?

Call between 12:00 PM and 5:00 PM CLST — that maps to 9:00 AM–2:00 PM MDT and keeps both parties inside the working day.

Which is behind, Chile or Denver?

Chile is 3 hours behind Denver. When it is 12:00 PM in Chile it is 9:00 AM in Denver.

Do Chile and Denver use different time zones?

Chile (Chile) uses CLST at UTC-03:00, while Denver (USA) uses MDT at UTC-06:00. The IANA identifiers are America/Santiago and America/Denver.

Does daylight saving time affect the Chile–Denver difference?

Both zones observe DST, so the difference stays at -3h for most of the year and only changes during the weeks when their transition dates do not line up.

Which other cities share Chile's time zone?

CLST also covers Santiago, Valparaíso, Concepción, Viña del Mar, Antofagasta.

Which countries use CLST, Chile's zone?

CLST is used in Chile.

Is there a day difference between Chile and Denver?

Not normally. The -3h gap only pushes the date over the previous day.

What is the time difference between Chile and Denver?

Denver is -3h from Chile.

What timezone is Chile in?

Chile operates on its local timezone.

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 are the business hours in Denver?

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

Which countries use CLT (Chile Standard Time)?

CLT is used in Chile.

Does CLT observe daylight saving time?

Yes, CLT switches to CLST during summer months.

What are some interesting facts about CLT?

Chile observes daylight saving time, switching to CLST (UTC-03:00) in summer. Santiago is the largest city in Chile with over 6 million in the metro area.

Which cities are in the MST timezone?

Major cities in the MST timezone include Denver, Phoenix, Salt Lake City, Calgary, Edmonton, Albuquerque, El Paso, Tucson.

What is the UTC offset for MST?

Mountain Standard Time (MST) is at UTC-07:00. During daylight saving time, it shifts to MDT.

What should I know about the MST timezone?

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.