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AEDT to Riyadh

-8h

AEDT

AEDTSOURCE
UTC+10:00DST observed
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Riyadh

AST
Saudi Arabia · UTC+03:00
HH04
:
MM00
  
04:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
AEDT
Riyadh
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)

AEDT and AST on the World Map

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

AEDTASTSydneyMelbourneCanberraHobartRiyadhJeddahDohaKuwait City
AEDT Zone
→
AST Zone

Explore all world timezones interactively →

AEDT – Australian Eastern Daylight Time

UTC+11:00

Australian Eastern Daylight Time (AEDT, UTC+11:00) is the daylight saving period in south-eastern Australia, from October to April.

Countries in AEDT
Australia (NSW, Victoria, Tasmania, ACT)
Major Cities in AEDT
SydneyMelbourneCanberraHobartNewcastle
Key Facts about AEDT
  • •AEDT runs from the first Sunday in October to the first Sunday in April.
  • •AEDT is one hour ahead of Australian Eastern Standard Time (AEST).
  • •Queensland does not observe daylight saving, so Brisbane stays on AEST.
  • •During AEDT, Sydney is 16 hours ahead of New York and 11 hours ahead of UTC.
Daylight Saving:Yes – switches to AEDT
Learn more about AEDT on Wikipedia

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

About Riyadh

Wikipedia

Riyadh operates on Arabia Standard Time (AST), UTC+3. As OPEC's de facto capital and home to Tadawul, Riyadh time impacts global energy markets.

Population:7.7 million
Metro:7.7 million
Business Hours:8:00 AM - 4:00 PM AST (Sunday-Thursday)
Currency:SAR (﷼)
Stock Exchange:Tadawul (Saudi Stock Exchange)
Key Landmarks
Kingdom CentreMasmak FortressNational MuseumAl Faisaliyah CenterDiriyah
Did You Know?

Riyadh is growing rapidly as part of Saudi Vision 2030 modernization.

Learn more about AST timezone →

AEDT to Riyadh Time Difference – Complete Guide

AEDT runs on Australian Eastern Daylight Time (AEDT) at UTC+11:00. Riyadh runs on Arabian Standard Time (AST) at UTC+03:00. That puts AEDT 8 hours behind Riyadh — a difference of -8h at the current offsets.

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

AEDT to Riyadh time conversion table

AEDT (AEDT)Riyadh (AST)Day
12:00 AM4:00 PMprevious day
6:00 AM10:00 PMprevious day
7:00 AM11:00 PMprevious day
8:00 AM12:00 AMsame day
9:00 AM1:00 AMsame day
12:00 PM4:00 AMsame day
3:00 PM7:00 AMsame day
5:00 PM9:00 AMsame day
6:00 PM10:00 AMsame day
9:00 PM1:00 PMsame day

Why people convert AEDT to Riyadh time

  • Scheduling a call from AEDT to Riyadh: a 10:00 AM start in AEDT lands at 2:00 AM in Riyadh, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a -8h gap: AEDT and Riyadh 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 Riyadh is 1:00 AM in AEDT.
  • Booking travel or deliveries: tracking Riyadh local time against AEDT keeps pickup windows and arrival estimates honest across the -8h offset.
  • Always state the zone abbreviation, not just the hour. "3:00 PM AEDT" 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 AEDT takes the early slot, the next week Riyadh does.

About AEDT (Australian Eastern Daylight Time)

Australian Eastern Daylight Time (AEDT) is the daylight saving period in south-eastern Australia, one hour ahead of Australian Eastern Standard Time (AEST, UTC+10:00). Because Australia is in the southern hemisphere, AEDT runs through the summer — from the first Sunday in October to the first Sunday in April — which is almost exactly the reverse of the European and North American schedules. New South Wales, Victoria, Tasmania and the Australian Capital Territory observe it; Queensland and the Northern Territory do not, so Brisbane stays on AEST year round while Sydney moves to AEDT. During AEDT, Sydney is 11 hours ahead of UTC and 16 hours ahead of New York.

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.

Best time to call between AEDT and Riyadh

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

Business hours overlap

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

AEDT is 8 hours behind Riyadh (AEDT UTC+11:00 → AST UTC+03:00). 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

AEDT

❄ Currently in Standard Time

Standard: UTC+10:00 · DST: UTC+11:00

Clocks spring forward on Sat, Oct 3, 2026

Riyadh

Does not observe DST

Frequently Asked Questions

What is the time difference between AEDT and Riyadh?

AEDT (AEDT, UTC+11:00) is 8 hours behind Riyadh (AST, UTC+03:00). The gap is currently -8h.

How do I convert AEDT time to Riyadh time?

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

What time is it in Riyadh right now?

Riyadh uses AST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -8h offset from AEDT.

What is the best time to call Riyadh from AEDT?

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

Which is behind, AEDT or Riyadh?

AEDT is 8 hours behind Riyadh. When it is 12:00 PM in AEDT it is 4:00 AM in Riyadh.

Do AEDT and Riyadh use different time zones?

AEDT uses AEDT at UTC+11:00, while Riyadh (Saudi Arabia) uses AST at UTC+03:00. The IANA identifiers are Australia/Sydney and Asia/Riyadh.

Does daylight saving time affect the AEDT–Riyadh difference?

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

Which other cities share AEDT's time zone?

AEDT also covers Sydney, Melbourne, Canberra, Hobart, Newcastle.

Which countries use AEDT, AEDT's zone?

AEDT is used in Australia (NSW, Victoria, Tasmania, ACT).

Is there a day difference between AEDT and Riyadh?

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

What is the time difference between AEDT and Riyadh?

Riyadh is -8h from AEDT.

What timezone is AEDT in?

AEDT operates on its local timezone.

What timezone is Riyadh in?

Riyadh operates on Arabia Standard Time (AST), UTC+3. As OPEC's de facto capital and home to Tadawul, Riyadh time impacts global energy markets.

What are the business hours in Riyadh?

Standard business hours in Riyadh are 8:00 AM - 4:00 PM AST (Sunday-Thursday).

Which countries use AEDT (Australian Eastern Daylight Time)?

AEDT is used in Australia (NSW, Victoria, Tasmania, ACT).

Does AEDT observe daylight saving time?

Yes, AEDT switches to AEDT during summer months.

What are some interesting facts about AEDT?

AEDT runs from the first Sunday in October to the first Sunday in April. AEDT is one hour ahead of Australian Eastern Standard Time (AEST).

Which cities are in the AST timezone?

Major cities in the AST timezone include Riyadh, Jeddah, Doha, Kuwait City, Baghdad.

What is the UTC offset for AST?

Arabia Standard Time (AST) is at UTC+03:00.

What should I know about the AST timezone?

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.

When is it midnight in AEDT, what time is it in Riyadh?

When it is 12:00 AM (midnight) in AEDT (AEDT), it is -8h later in Riyadh (AST).