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).

PET to CLT

+1h

PET

PETSOURCE

UTC-05:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

CLT

UTC-03:00☀ DST active

HH01

MM00

13:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

PET

CLT

12:00 AM

2:00 AM

4:00 AM

6:00 AM

8:00 AM

10:00 AM

12:00 PM

2:00 PM

4:00 PM

6:00 PM

8:00 PM

10:00 PM

12:00 AM+1

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

PET and CLT on the World Map

The map below highlights the PET (Peru Time) and CLT (Chile Standard Time) timezone regions across the globe.

PET Zone

→

CLT Zone

Explore all world timezones interactively →

PET – Peru Time

UTC-05:00

Peru Time (PET) is the standard time for Peru, 5 hours behind UTC.

Countries in PET

Peru

Major Cities in PET

LimaArequipaTrujilloCuscoCallao

Key Facts about PET

•Peru does not observe daylight saving time.
•PET is the same offset as EST (UTC-05:00).
•Lima is the 5th largest city in the Americas.

Daylight Saving:No – UTC-05:00 year-round

Learn more about PET 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

PET vs CLT: Offsets, DST and Best Call Times

PET runs on Peru Time (PET) at UTC-05:00. CLT runs on Chile Standard Time (CLT) at UTC-04:00. That puts PET 1 hour ahead of CLT — a difference of +1h at the current offsets.

In practice, when it is 9:00 AM in PET it is 10:00 AM in CLT. Midnight in PET is 1:00 AM in CLT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

PET to CLT time conversion table

PET (PET)	CLT (CLT)	Day
12:00 AM	1:00 AM	same day
6:00 AM	7:00 AM	same day
7:00 AM	8:00 AM	same day
8:00 AM	9:00 AM	same day
9:00 AM	10:00 AM	same day
12:00 PM	1:00 PM	same day
3:00 PM	4:00 PM	same day
5:00 PM	6:00 PM	same day
6:00 PM	7:00 PM	same day
9:00 PM	10:00 PM	same day

Why people convert PET to CLT time

Scheduling a call from PET to CLT: a 10:00 AM start in PET lands at 11:00 AM in CLT, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both PET and CLT are inside the 9-to-5 working day between 9:00 AM and 4:00 PM PET time (10:00 AM–5:00 PM CLT). That is roughly 7 hours of usable overlap.
Booking travel or deliveries: tracking CLT local time against PET keeps pickup windows and arrival estimates honest across the +1h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM PET" is unambiguous; "3 PM" across a +1h gap is not.
Block 9:00 AM–4:00 PM PET as the recurring meeting window if you work primarily from PET and need CLT colleagues present.

About PET (Peru Time)

Peru Time (PET) is the time zone used throughout Peru. Peru does not observe daylight saving time. PET shares the same offset as EST (UTC-05:00). Lima, the capital, is the economic center of Peru.

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 PET and CLT

Both PET and CLT sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM PET, which is 10:00 AM–5:00 PM CLT. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

PET and CLT share 7 hours of working-hours overlap (9:00 AM–4:00 PM PET), so scheduling a live meeting is straightforward.

PET is 1 hour ahead of CLT (PET UTC-05:00 → CLT UTC-04:00). The shared working window is 9:00 AM–4:00 PM PET. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

PET

Does not observe DST

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 PET and CLT?

PET (PET, UTC-05:00) is 1 hour ahead of CLT (CLT, UTC-04:00). The gap is currently +1h.

How do I convert PET time to CLT time?

Add +1h to PET local time. For example, 9:00 AM in PET is 10:00 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 +1h offset from PET.

What is the best time to call CLT from PET?

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

Which is ahead, PET or CLT?

PET is 1 hour ahead of CLT. When it is 12:00 PM in PET it is 1:00 PM in CLT.

Does daylight saving time affect the PET–CLT difference?

Neither zone observes daylight saving time, so the +1h offset between PET and CLT is fixed all year.

Which other cities share PET's time zone?

PET also covers Lima, Arequipa, Trujillo, Cusco, Callao.

Which countries use PET, PET's zone?

PET is used in Peru.

Is there a day difference between PET and CLT?

Not normally. The +1h gap only pushes the date over for late-evening times.

What is the time difference between PET and CLT?

CLT is +1h from PET.

What timezone is PET in?

PET operates on its local timezone.

What timezone is CLT in?

CLT operates on its local timezone.

Which countries use PET (Peru Time)?

PET is used in Peru.

Does PET observe daylight saving time?

No, PET does not observe daylight saving time and remains at UTC-05:00 year-round.

What are some interesting facts about PET?

Peru does not observe daylight saving time. PET is the same offset as EST (UTC-05:00).

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.