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).

EDT to CLT

+0h

EDT

EDTSOURCE

UTC-04:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

CLT

UTC-03:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

EDT

CLT

12:00 AM

1:00 AM

2:00 AM

3:00 AM

4:00 AM

5:00 AM

6:00 AM

7:00 AM

8:00 AM

9:00 AM

10:00 AM

11:00 AM

12:00 PM

1:00 PM

2:00 PM

3:00 PM

4:00 PM

5:00 PM

6:00 PM

7:00 PM

8:00 PM

9:00 PM

10:00 PM

11:00 PM

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

EDT and CLT on the World Map

The map below highlights the EDT (Eastern Daylight Time) and CLT (Chile Standard Time) timezone regions across the globe.

EDT Zone

→

CLT Zone

Explore all world timezones interactively →

EDT – Eastern Daylight Time

UTC-04:00

Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.

Countries in EDT

United States (Eastern)Canada (Ontario, Quebec)BahamasHaitiTurks and Caicos

Major Cities in EDT

New York CityWashington D.C.TorontoMiamiPhiladelphiaAtlantaBostonMontreal

Key Facts about EDT

•EDT is observed from the second Sunday of March to the first Sunday of November.
•During EDT, the US East Coast is only 4 hours behind London (instead of 5).
•Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.

Daylight Saving:Yes – switches to EST

Learn more about EDT on Wikipedia

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

Understanding the +0h Gap: EDT vs CLT

EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. CLT runs on Chile Standard Time (CLT) at UTC-04:00. That puts EDT no time difference CLT — a difference of +0h at the current offsets.

In practice, when it is 9:00 AM in EDT it is 9:00 AM in CLT. Midnight in EDT is 12:00 AM in CLT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

EDT to CLT time conversion table

EDT (EDT)	CLT (CLT)	Day
12:00 AM	12:00 AM	same day
6:00 AM	6:00 AM	same day
7:00 AM	7:00 AM	same day
8:00 AM	8:00 AM	same day
9:00 AM	9:00 AM	same day
12:00 PM	12:00 PM	same day
3:00 PM	3:00 PM	same day
5:00 PM	5:00 PM	same day
6:00 PM	6:00 PM	same day
9:00 PM	9:00 PM	same day

Why people convert EDT to CLT time

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

Always state the zone abbreviation, not just the hour. "3:00 PM EDT" is unambiguous; "3 PM" across a +0h gap is not.
Block 9:00 AM–5:00 PM EDT as the recurring meeting window if you work primarily from EDT and need CLT colleagues present.

About EDT (Eastern Daylight Time)

Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.

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.

Best time to call between EDT and CLT

Both EDT and CLT sit inside the 9 AM – 5 PM working day between 9:00 AM–5:00 PM EDT, which is 9:00 AM–5:00 PM CLT. That gives roughly 8 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

EDT and CLT share 8 hours of working-hours overlap (9:00 AM–5:00 PM EDT), so scheduling a live meeting is straightforward.

EDT is no time difference CLT (EDT UTC-04:00 → CLT UTC-04:00). The shared working window is 9:00 AM–5:00 PM EDT. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

EDT

☀ Currently in DST

Standard: UTC-05:00 · DST: UTC-04:00

Clocks fall back on Sun, Nov 1, 2026

CLT

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

Clocks fall back on Sun, Apr 4, 2027

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 EDT and CLT?

EDT (EDT, UTC-04:00) is no time difference CLT (CLT, UTC-04:00). The gap is currently +0h.

How do I convert EDT time to CLT time?

Add +0h to EDT local time. For example, 9:00 AM in EDT is 9:00 AM in CLT.

What time is it in CLT right now?

CLT uses CLT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +0h offset from EDT.

What is the best time to call CLT from EDT?

Call between 9:00 AM and 5:00 PM EDT — that maps to 9:00 AM–5:00 PM CLT and keeps both parties inside the working day.

Which is ahead, EDT or CLT?

EDT and CLT are currently on the same clock.

Does daylight saving time affect the EDT–CLT difference?

Neither zone observes daylight saving time, so the +0h offset between EDT and CLT is fixed all year.

Which other cities share EDT's time zone?

EDT also covers New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.

Which countries use EDT, EDT's zone?

EDT is used in United States (Eastern), Canada (Ontario, Quebec), Bahamas, Haiti, Turks and Caicos.

What is the time difference between EDT and CLT?

CLT is +0h from EDT.

What timezone is EDT in?

EDT operates on its local timezone.

What timezone is CLT in?

CLT operates on its local timezone.

Which countries use EDT (Eastern Daylight Time)?

EDT is used in United States (Eastern), Canada (Ontario, Quebec), Bahamas, Haiti, Turks and Caicos.

Does EDT observe daylight saving time?

Yes, EDT switches to EST during summer months.

What are some interesting facts about EDT?

EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).

Which cities are in the CLT timezone?

Major cities in the CLT timezone include Santiago, Valparaíso, Concepción, Viña del Mar, Antofagasta.

What is the UTC offset for CLT?

Chile Standard Time (CLT) is at UTC-04:00. During daylight saving time, it shifts to CLST.

What should I know about the CLT timezone?

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.