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).

EST to Dubai

+9h

EST

ESTSOURCE

UTC-04:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Dubai

GST

UAE · UTC+04:00

HH09

MM00

21:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

EST

Dubai

12:00 AM

8:00 AM

2:00 AM

10:00 AM

4:00 AM

12:00 PM

6:00 AM

2:00 PM

8:00 AM

4:00 PM

10:00 AM

6:00 PM

12:00 PM

8:00 PM

2:00 PM

10:00 PM

4:00 PM

12:00 AM+1

6:00 PM

2:00 AM+1

8:00 PM

4:00 AM+1

10:00 PM

6:00 AM+1

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

EST and GST on the World Map

The map below highlights the EST (Eastern Standard Time) and GST (Gulf Standard Time) timezone regions across the globe.

EST Zone

→

GST Zone

Explore all world timezones interactively →

EST – Eastern Standard Time

UTC-05:00

Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.

Countries in EST

United States (Eastern)Canada (Ontario, Quebec)Mexico (Quintana Roo)PanamaJamaicaCayman IslandsHaitiBahamasTurks and CaicosColombiaPeruEcuador

Major Cities in EST

New York CityWashington D.C.MiamiTorontoPhiladelphiaAtlantaBostonMontrealDetroitCharlotteIndianapolisOttawaTampaOrlandoClevelandPittsburgh

Key Facts about EST

•EST is the most widely used time zone in the United States by population.
•The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
•23 US states are fully or partially in the Eastern Time Zone.
•EST was established by the Standard Time Act of 1918.
•Over 47% of the US population lives in the Eastern Time Zone.

Daylight Saving:Yes – switches to EDT

Learn more about EST on Wikipedia

GST – Gulf Standard Time

UTC+04:00

Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.

Countries in GST

UAEOmanGeorgiaAzerbaijanMauritius

Major Cities in GST

DubaiAbu DhabiMuscatBakuTbilisi

Key Facts about GST

•Dubai uses GST year-round with no daylight saving time.
•GST is 9 hours ahead of EST and 4 hours ahead of GMT.
•The Dubai Financial Market (DFM) operates on GST.

Daylight Saving:No – UTC+04:00 year-round

Learn more about GST on Wikipedia

About Dubai

Wikipedia

Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.

Population:3.5 million

Metro:4.1 million

Business Hours:8:00 AM - 6:00 PM GST

Currency:AED (د.إ)

Stock Exchange:DFM (Dubai Financial Market)

Key Landmarks

Burj KhalifaPalm JumeirahBurj Al ArabDubai MallDubai Frame

Did You Know?

Dubai has no income tax, making it a major hub for international business.

Learn more about GST timezone →

Comparing Time Zones: EST and Dubai

EST runs on Eastern Standard Time (EST) at UTC-05:00. Dubai runs on Gulf Standard Time (GST) at UTC+04:00. That puts EST 9 hours ahead of Dubai — a difference of +9h at the current offsets.

In practice, when it is 9:00 AM in EST it is 6:00 PM in Dubai. Midnight in EST is 9:00 AM in Dubai. Neither zone observes daylight saving time, so the offset between them stays constant all year.

EST to Dubai time conversion table

EST (EST)	Dubai (GST)	Day
12:00 AM	9:00 AM	same day
6:00 AM	3:00 PM	same day
7:00 AM	4:00 PM	same day
8:00 AM	5:00 PM	same day
9:00 AM	6:00 PM	same day
12:00 PM	9:00 PM	same day
3:00 PM	12:00 AM	next day
5:00 PM	2:00 AM	next day
6:00 PM	3:00 AM	next day
9:00 PM	6:00 AM	next day

Why people convert EST to Dubai time

Scheduling a call from EST to Dubai: a 10:00 AM start in EST lands at 7:00 PM in Dubai, so you can confirm the slot without doing the arithmetic yourself.
Handling a +9h gap: EST and Dubai have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Dubai is 6:00 PM in EST.
Keeping family and friends in sync: knowing that 8:00 PM in EST is 5:00 AM in Dubai makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM EST" is unambiguous; "3 PM" across a +9h gap is not.
With a +9h gap there is no shared 9-to-5 window, so alternate the early start: one week EST takes the early slot, the next week Dubai does.

About EST (Eastern Standard Time)

Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.

About GST (Gulf Standard Time)

Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.

Best time to call between EST and Dubai

With a +9h offset there is no overlap inside a normal 9 AM – 5 PM day. Dubai opens at 9:00 AM GST, which is 6:00 PM in EST, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

EST and Dubai have no shared working hours because of the +9h gap. Teams need to alternate early starts or rely on asynchronous handovers.

EST is 9 hours ahead of Dubai (EST UTC-05:00 → GST UTC+04:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

EST

☀ Currently in DST

Standard: UTC-05:00 · DST: UTC-04:00

Clocks fall back on Sun, Nov 1, 2026

Dubai

Does not observe DST

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 EST and Dubai?

EST (EST, UTC-05:00) is 9 hours ahead of Dubai (GST, UTC+04:00). The gap is currently +9h.

How do I convert EST time to Dubai time?

Add +9h to EST local time. For example, 9:00 AM in EST is 6:00 PM in Dubai.

What time is it in Dubai right now?

Dubai uses GST at UTC+04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +9h offset from EST.

What is the best time to call Dubai from EST?

There is no shared working-hours window because of the +9h gap. The closest option is 1:00 PM in EST, which is 10:00 PM in Dubai.

Which is ahead, EST or Dubai?

EST is 9 hours ahead of Dubai. When it is 12:00 PM in EST it is 9:00 PM in Dubai.

Do EST and Dubai use different time zones?

EST uses EST at UTC-05:00, while Dubai (UAE) uses GST at UTC+04:00. The IANA identifiers are America/New_York and Asia/Dubai.

Does daylight saving time affect the EST–Dubai difference?

Neither zone observes daylight saving time, so the +9h offset between EST and Dubai is fixed all year.

Which other cities share EST's time zone?

EST also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.

Which countries use EST, EST's zone?

EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, Haiti, Bahamas and 4 more.

Is there a day difference between EST and Dubai?

Not normally. The +9h gap only pushes the date over for late-evening times.

What is the time difference between EST and Dubai?

Dubai is +9h from EST.

What timezone is EST in?

EST operates on its local timezone.

What timezone is Dubai in?

Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.

What are the business hours in Dubai?

Standard business hours in Dubai are 8:00 AM - 6:00 PM GST.

Which countries use EST (Eastern Standard Time)?

EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.

Does EST observe daylight saving time?

Yes, EST switches to EDT during summer months.

What are some interesting facts about EST?

EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.