Инструменты Intosoft

Doha to AST

-7h

Doha

ASTSOURCE
Qatar · UTC+03:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

AST

AST
UTC-03:00☀ DST active
HH05
:
MM00
  
05:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Doha
AST
12:00 AM
6:00 PM-1
2:00 AM
8:00 PM-1
4:00 AM
10:00 PM-1
6:00 AM
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

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

AST and AST on the World Map

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

ASTASTRiyadhJeddahDohaKuwait CityHalifaxSan JuanSanto DomingoCaracas
AST Zone
→
AST 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

AST – Atlantic Standard Time

UTC-04:00

Atlantic Standard Time (AST) is the time zone for the Canadian Atlantic provinces and the Caribbean, 4 hours behind UTC.

Countries in AST
Canada (Atlantic provinces)Puerto RicoUS Virgin IslandsDominican RepublicVenezuelaBoliviaBarbadosTrinidad and Tobago
Major Cities in AST
HalifaxSan JuanSanto DomingoCaracasLa PazFrederictonCharlottetown
Key Facts about AST
  • •Puerto Rico uses AST year-round and does not observe DST.
  • •AST is 1 hour ahead of EST.
  • •Halifax, the capital of Nova Scotia, is the largest city in AST Canada.
Daylight Saving:Yes – switches to ADT
Learn more about AST 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 -7h Gap: Doha vs AST

Doha runs on Arabian Standard Time (AST) at UTC+03:00. AST runs on Atlantic Standard Time (AST) at UTC-04:00. That puts Doha 7 hours behind AST — a difference of -7h at the current offsets.

In practice, when it is 9:00 AM in Doha it is 2:00 AM in AST. Midnight in Doha is 5:00 PM in AST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Doha to AST time conversion table

Doha (AST)AST (AST)Day
12:00 AM5:00 PMprevious day
6:00 AM11:00 PMprevious day
7:00 AM12:00 AMsame day
8:00 AM1:00 AMsame day
9:00 AM2:00 AMsame day
12:00 PM5:00 AMsame day
3:00 PM8:00 AMsame day
5:00 PM10:00 AMsame day
6:00 PM11:00 AMsame day
9:00 PM2:00 PMsame day

Why people convert Doha to AST time

  • Scheduling a call from Doha to AST: a 10:00 AM start in Doha lands at 3:00 AM in AST, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Doha and AST are inside the 9-to-5 working day between 4:00 PM and 5:00 PM AST time (9:00 AM–10:00 AM AST). That is roughly 1 hours of usable overlap.
  • Watching a live event or market open: Doha viewers need 2:00 AM in AST to catch a 9:00 AM start there, and 7:00 AM if the event is anchored to Doha.
  • Always state the zone abbreviation, not just the hour. "3:00 PM AST" is unambiguous; "3 PM" across a -7h gap is not.
  • Block 4:00 PM–5:00 PM AST as the recurring meeting window if you work primarily from Doha and need AST colleagues present.

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 AST (Atlantic Standard Time)

Atlantic Standard Time (AST) covers Canada's Atlantic provinces (Nova Scotia, New Brunswick, Prince Edward Island, and most of Labrador), as well as several Caribbean nations. Puerto Rico and the US Virgin Islands use AST year-round without daylight saving time. The Canadian provinces switch to Atlantic Daylight Time (ADT) in summer.

Best time to call between Doha and AST

Both Doha and AST sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM AST, which is 9:00 AM–10:00 AM AST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Doha and AST overlap for only 60 minutes (4:00 PM–5:00 PM AST), so meetings have to be booked precisely.

Doha is 7 hours behind AST (AST UTC+03:00 → AST UTC-04:00). The shared working window is 4:00 PM–5:00 PM AST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Doha

Does not observe DST

AST

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

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 AST?

Doha (AST, UTC+03:00) is 7 hours behind AST (AST, UTC-04:00). The gap is currently -7h.

How do I convert Doha time to AST time?

Add -7h to Doha local time. For example, 9:00 AM in Doha is 2:00 AM in AST.

What time is it in AST right now?

AST uses AST at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from Doha.

What is the best time to call AST from Doha?

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

Which is behind, Doha or AST?

Doha is 7 hours behind AST. When it is 12:00 PM in Doha it is 5:00 AM in AST.

Do Doha and AST use different time zones?

Doha (Qatar) uses AST at UTC+03:00, while AST uses AST at UTC-04:00. The IANA identifiers are Asia/Qatar and America/Halifax.

Does daylight saving time affect the Doha–AST difference?

Neither zone observes daylight saving time, so the -7h offset between Doha and AST 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 AST?

Not normally. The -7h gap only pushes the date over the previous day.

What is the time difference between Doha and AST?

AST is -7h 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 AST in?

AST 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 AST timezone?

Major cities in the AST timezone include Halifax, San Juan, Santo Domingo, Caracas, La Paz, Fredericton, Charlottetown.

What is the UTC offset for AST?

Atlantic Standard Time (AST) is at UTC-04:00. During daylight saving time, it shifts to ADT.

What should I know about the AST timezone?

Puerto Rico uses AST year-round and does not observe DST. AST is 1 hour ahead of EST.

When is it midnight in Doha, what time is it in AST?

When it is 12:00 AM (midnight) in Doha (AST), it is -7h later in AST (AST).

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