Инструменты Intosoft

Doha to NST

-6h 30m

Doha

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

NST

NST
UTC-02:30☀ DST active
HH05
:
MM30
  
05:30 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Doha
NST
12:00 AM
6:30 PM-1
2:00 AM
8:30 PM-1
4:00 AM
10:30 PM-1
6:00 AM
12:30 AM
8:00 AM
2:30 AM
10:00 AM
4:30 AM
12:00 PM
6:30 AM
2:00 PM
8:30 AM
4:00 PM
10:30 AM
6:00 PM
12:30 PM
8:00 PM
2:30 PM
10:00 PM
4:30 PM

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

AST and NST on the World Map

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

ASTNSTRiyadhJeddahDohaKuwait CitySt. John'sCorner BrookMount Pearl
AST Zone
→
NST 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

NST – Newfoundland Standard Time

UTC-03:30

Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.

Countries in NST
Canada (Newfoundland)
Major Cities in NST
St. John'sCorner BrookMount Pearl
Key Facts about NST
  • •NST is one of only a few half-hour offset time zones in the world.
  • •Newfoundland joined Canada in 1949 and kept its unique time zone.
  • •St. John's is the easternmost city in North America.
Daylight Saving:Yes – switches to NDT
Learn more about NST 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 →

Everything You Need to Know About Doha and NST Time

Doha runs on Arabian Standard Time (AST) at UTC+03:00. NST runs on Newfoundland Standard Time (NST) at UTC-03:30. That puts Doha 6 hours 30 minutes behind NST — a difference of -6h 30m at the current offsets.

In practice, when it is 9:00 AM in Doha it is 2:30 AM in NST. Midnight in Doha is 5:30 PM in NST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Doha to NST time conversion table

Doha (AST)NST (NST)Day
12:00 AM5:30 PMprevious day
6:00 AM11:30 PMprevious day
7:00 AM12:30 AMsame day
8:00 AM1:30 AMsame day
9:00 AM2:30 AMsame day
12:00 PM5:30 AMsame day
3:00 PM8:30 AMsame day
5:00 PM10:30 AMsame day
6:00 PM11:30 AMsame day
9:00 PM2:30 PMsame day

Why people convert Doha to NST time

  • Scheduling a call from Doha to NST: a 10:00 AM start in Doha lands at 3:30 AM in NST, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Doha and NST are inside the 9-to-5 working day between 3:30 PM and 5:00 PM AST time (9:00 AM–10:30 AM NST). That is roughly 1 hours 30 minutes of usable overlap.
  • Booking travel or deliveries: tracking NST local time against Doha keeps pickup windows and arrival estimates honest across the -6h 30m offset.
  • Always state the zone abbreviation, not just the hour. "3:00 PM AST" is unambiguous; "3 PM" across a -6h 30m gap is not.
  • Block 3:30 PM–5:00 PM AST as the recurring meeting window if you work primarily from Doha and need NST 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 NST (Newfoundland Standard Time)

Newfoundland Standard Time (NST) is one of the few half-hour offset time zones in the world. It covers the island of Newfoundland in Canada and is 30 minutes ahead of Atlantic Standard Time. This unique offset exists because Newfoundland was an independent country until 1949.

Best time to call between Doha and NST

Both Doha and NST sit inside the 9 AM – 5 PM working day between 3:30 PM–5:00 PM AST, which is 9:00 AM–10:30 AM NST. That gives roughly 1 hours and 30 minutes of shared time — the safest window for a live call or meeting.

Business hours overlap

Doha and NST overlap for only 90 minutes (3:30 PM–5:00 PM AST), so meetings have to be booked precisely.

Doha is 6 hours 30 minutes behind NST (AST UTC+03:00 → NST UTC-03:30). The shared working window is 3:30 PM–5:00 PM AST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Doha

Does not observe DST

NST

☀ Currently in DST

Standard: UTC-03:30 · DST: UTC-02:30

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 NST?

Doha (AST, UTC+03:00) is 6 hours 30 minutes behind NST (NST, UTC-03:30). The gap is currently -6h 30m.

How do I convert Doha time to NST time?

Add -6h 30m to Doha local time. For example, 9:00 AM in Doha is 2:30 AM in NST.

What time is it in NST right now?

NST uses NST at UTC-03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -6h 30m offset from Doha.

What is the best time to call NST from Doha?

Call between 3:30 PM and 5:00 PM AST — that maps to 9:00 AM–10:30 AM NST and keeps both parties inside the working day.

Which is behind, Doha or NST?

Doha is 6 hours 30 minutes behind NST. When it is 12:00 PM in Doha it is 5:30 AM in NST.

Do Doha and NST use different time zones?

Doha (Qatar) uses AST at UTC+03:00, while NST uses NST at UTC-03:30. The IANA identifiers are Asia/Qatar and America/St_Johns.

Does daylight saving time affect the Doha–NST difference?

Neither zone observes daylight saving time, so the -6h 30m offset between Doha and NST 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 NST?

Not normally. The -6h 30m gap only pushes the date over the previous day.

What is the time difference between Doha and NST?

NST is -6h 30m 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 NST in?

NST 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 NST timezone?

Major cities in the NST timezone include St. John's, Corner Brook, Mount Pearl.

What is the UTC offset for NST?

Newfoundland Standard Time (NST) is at UTC-03:30. During daylight saving time, it shifts to NDT.

What should I know about the NST timezone?

NST is one of only a few half-hour offset time zones in the world. Newfoundland joined Canada in 1949 and kept its unique time zone.

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

When it is 12:00 AM (midnight) in Doha (AST), it is -6h 30m later in NST (NST).

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