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).

COT to PDT

-2h

COT

COTSOURCE

UTC-05:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

PDT

UTC-07:00☀ DST active

HH10

MM00

10:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

COT

PDT

12:00 AM

10:00 PM-1

2:00 AM

12:00 AM

4:00 AM

2:00 AM

6:00 AM

4:00 AM

8:00 AM

6:00 AM

10:00 AM

8:00 AM

12:00 PM

10:00 AM

2:00 PM

12:00 PM

4:00 PM

2:00 PM

6:00 PM

4:00 PM

8:00 PM

6:00 PM

10:00 PM

8:00 PM

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

COT and PDT on the World Map

The map below highlights the COT (Colombia Time) and PDT (Pacific Daylight Time) timezone regions across the globe.

COT Zone

→

PDT Zone

Explore all world timezones interactively →

COT – Colombia Time

UTC-05:00

Colombia Time (COT) is the standard time for Colombia, 5 hours behind UTC.

Countries in COT

Colombia

Major Cities in COT

BogotáMedellínCaliBarranquillaCartagena

Key Facts about COT

•Colombia does not observe daylight saving time.
•COT is the same offset as EST (UTC-05:00).
•Bogotá sits at 2,640m elevation, making it one of the highest capital cities.

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

Learn more about COT on Wikipedia

PDT – Pacific Daylight Time

UTC-07:00

Pacific Daylight Time (PDT) is the daylight saving offset on the US/Canada Pacific coast, 7 hours behind UTC.

Countries in PDT

United States (Pacific)Canada (British Columbia)Mexico (Baja California)

Major Cities in PDT

Los AngelesSan FranciscoSeattleVancouverPortland

Key Facts about PDT

•PDT aligns with MST at UTC-07:00.
•Tech company earnings calls often reference PDT/PST times.

Daylight Saving:Yes – switches to PST

Learn more about PDT on Wikipedia

Time Conversion Guide: COT to PDT

COT runs on Colombia Time (COT) at UTC-05:00. PDT runs on Pacific Daylight Time (PDT) at UTC-07:00. That puts COT 2 hours behind PDT — a difference of -2h at the current offsets.

In practice, when it is 9:00 AM in COT it is 7:00 AM in PDT. Midnight in COT is 10:00 PM in PDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

COT to PDT time conversion table

COT (COT)	PDT (PDT)	Day
12:00 AM	10:00 PM	previous day
6:00 AM	4:00 AM	same day
7:00 AM	5:00 AM	same day
8:00 AM	6:00 AM	same day
9:00 AM	7:00 AM	same day
12:00 PM	10:00 AM	same day
3:00 PM	1:00 PM	same day
5:00 PM	3:00 PM	same day
6:00 PM	4:00 PM	same day
9:00 PM	7:00 PM	same day

Why people convert COT to PDT time

Scheduling a call from COT to PDT: a 10:00 AM start in COT lands at 8:00 AM in PDT, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both COT and PDT are inside the 9-to-5 working day between 11:00 AM and 5:00 PM COT time (9:00 AM–3:00 PM PDT). That is roughly 6 hours of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in COT is 6:00 PM in PDT makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM COT" is unambiguous; "3 PM" across a -2h gap is not.
Block 11:00 AM–5:00 PM COT as the recurring meeting window if you work primarily from COT and need PDT colleagues present.

About COT (Colombia Time)

Colombia Time (COT) is used throughout Colombia. Colombia does not observe daylight saving time. COT shares the same offset as EST (UTC-05:00). Bogotá, the capital, is one of the largest cities in South America.

About PDT (Pacific Daylight Time)

Pacific Daylight Time (PDT) is observed from March to November on the Pacific coast. During PDT, the west coast is 7 hours behind UTC and only 2 hours behind the east coast's EDT.

Best time to call between COT and PDT

Both COT and PDT sit inside the 9 AM – 5 PM working day between 11:00 AM–5:00 PM COT, which is 9:00 AM–3:00 PM PDT. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

COT and PDT share 6 hours of working-hours overlap (11:00 AM–5:00 PM COT), so scheduling a live meeting is straightforward.

COT is 2 hours behind PDT (COT UTC-05:00 → PDT UTC-07:00). The shared working window is 11:00 AM–5:00 PM COT. Remember to re-check around daylight-saving transitions.