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).

Doha to EST

-8h

Doha

ASTSOURCE

Qatar · UTC+03:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

EST

UTC-04:00☀ DST active

HH04

MM00

04:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Doha

EST

12:00 AM

5:00 PM-1

2:00 AM

7:00 PM-1

4:00 AM

9:00 PM-1

6:00 AM

11:00 PM-1

8:00 AM

1:00 AM

10:00 AM

3:00 AM

12:00 PM

5:00 AM

2:00 PM

7:00 AM

4:00 PM

9:00 AM

6:00 PM

11:00 AM

8:00 PM

1:00 PM

10:00 PM

3:00 PM

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

AST and EST on the World Map

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

AST Zone

→

EST Zone

Explore all world timezones interactively →

AST – Arabia Standard Time

UTC+03:00

Arabia Standard Time (AST, UTC+03:00) is the time zone for Saudi Arabia and the other Gulf states of the Arabian peninsula.

Countries in AST

Saudi ArabiaQatarKuwaitBahrainIraqYemen

Major Cities in AST

RiyadhJeddahDohaKuwait CityBaghdad

Key Facts about AST

•None of the Gulf states on Arabia Standard Time observe daylight saving.
•AST is the same offset as Moscow Standard Time and East Africa Time.
•Riyadh is one hour ahead of Central European Time in winter.
•The AST abbreviation is shared with Atlantic Standard Time (UTC-04:00).

Daylight Saving:No – UTC+03:00 year-round

Learn more about AST on Wikipedia

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

About Doha

Wikipedia

Doha operates on Arabia Standard Time (AST), UTC+3, same as Riyadh. As the world's leading LNG exporter, Doha time influences global energy trading.

Population:1.2 million

Metro:2.4 million

Business Hours:7:00 AM - 3:00 PM AST (Sunday-Thursday)

Currency:QAR (﷼)

Stock Exchange:QSE (Qatar Stock Exchange)

Key Landmarks

Museum of Islamic ArtSouq WaqifThe Pearl-QatarKatara Cultural VillageAspire Tower

Did You Know?

Doha is home to Al Jazeera, one of the world's largest news networks.

Learn more about AST timezone →

Understanding the -8h Gap: Doha vs EST

Doha runs on Arabian Standard Time (AST) at UTC+03:00. EST runs on Eastern Standard Time (EST) at UTC-05:00. That puts Doha 8 hours behind EST — a difference of -8h at the current offsets.

In practice, when it is 9:00 AM in Doha it is 1:00 AM in EST. Midnight in Doha is 4:00 PM in EST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Doha to EST time conversion table

Doha (AST)	EST (EST)	Day
12:00 AM	4:00 PM	previous day
6:00 AM	10:00 PM	previous day
7:00 AM	11:00 PM	previous day
8:00 AM	12:00 AM	same day
9:00 AM	1:00 AM	same day
12:00 PM	4:00 AM	same day
3:00 PM	7:00 AM	same day
5:00 PM	9:00 AM	same day
6:00 PM	10:00 AM	same day
9:00 PM	1:00 PM	same day

Why people convert Doha to EST time

Scheduling a call from Doha to EST: a 10:00 AM start in Doha lands at 2:00 AM in EST, so you can confirm the slot without doing the arithmetic yourself.
Handling a -8h gap: Doha and EST 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 EST is 1:00 AM in Doha.
Coordinating a Doha-based team with EST 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 AST" is unambiguous; "3 PM" across a -8h gap is not.
With a -8h gap there is no shared 9-to-5 window, so alternate the early start: one week Doha takes the early slot, the next week EST does.

About AST (Arabia Standard Time)

Arabia Standard Time (AST) is fixed at UTC+03:00 all year across Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq and Yemen. None of these countries observes daylight saving time, so the offset never changes. The abbreviation collides with Atlantic Standard Time (UTC-04:00) used in eastern Canada and the Caribbean; this page covers the Arabian peninsula meaning. Arabia Standard Time is the same offset as Moscow Standard Time and East Africa Time, which makes scheduling with Europe straightforward — Riyadh is one hour ahead of Central European Time in winter and level with it during European summer time.

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.

Best time to call between Doha and EST

With a -8h offset there is no overlap inside a normal 9 AM – 5 PM day. EST opens at 9:00 AM EST, which is 1:00 AM in Doha, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Doha and EST have no shared working hours because of the -8h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Doha is 8 hours behind EST (AST UTC+03:00 → EST UTC-05:00). 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

Doha

Does not observe DST

EST

☀ Currently in DST

Standard: UTC-05:00 · DST: UTC-04:00

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 Doha and EST?

Doha (AST, UTC+03:00) is 8 hours behind EST (EST, UTC-05:00). The gap is currently -8h.

How do I convert Doha time to EST time?

Add -8h to Doha local time. For example, 9:00 AM in Doha is 1:00 AM in EST.

What time is it in EST right now?

EST uses EST at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -8h offset from Doha.

What is the best time to call EST from Doha?

There is no shared working-hours window because of the -8h gap. The closest option is 1:00 PM in Doha, which is 5:00 AM in EST.

Which is behind, Doha or EST?

Doha is 8 hours behind EST. When it is 12:00 PM in Doha it is 4:00 AM in EST.

Do Doha and EST use different time zones?

Doha (Qatar) uses AST at UTC+03:00, while EST uses EST at UTC-05:00. The IANA identifiers are Asia/Qatar and America/New_York.

Does daylight saving time affect the Doha–EST difference?

Neither zone observes daylight saving time, so the -8h offset between Doha and EST is fixed all year.

Which other cities share Doha's time zone?

AST also covers Riyadh, Jeddah, Doha, Kuwait City, Baghdad.

Which countries use AST, Doha's zone?

AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.

Is there a day difference between Doha and EST?

Not normally. The -8h gap only pushes the date over the previous day.

What is the time difference between Doha and EST?

EST is -8h from Doha.

What timezone is Doha in?

Doha operates on Arabia Standard Time (AST), UTC+3, same as Riyadh. As the world's leading LNG exporter, Doha time influences global energy trading.

What timezone is EST in?

EST operates on its local timezone.

What are the business hours in Doha?

Standard business hours in Doha are 7:00 AM - 3:00 PM AST (Sunday-Thursday).

Which countries use AST (Arabia Standard Time)?

AST is used in Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq, Yemen.

Does AST observe daylight saving time?

No, AST does not observe daylight saving time and remains at UTC+03:00 year-round.

What are some interesting facts about AST?

None of the Gulf states on Arabia Standard Time observe daylight saving. AST is the same offset as Moscow Standard Time and East Africa Time.

Which cities are in the EST timezone?

Major cities in the EST timezone include New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal.

What is the UTC offset for EST?

Eastern Standard Time (EST) is at UTC-05:00. During daylight saving time, it shifts to EDT.

What should I know about the EST timezone?

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.