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).

Sydney to TRT

-7h

Sydney

AESTSOURCE

Australia · UTC+10:00DST observed

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

TRT

UTC+03:00

HH05

MM00

05:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Sydney

TRT

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)

AEST and TRT on the World Map

The map below highlights the AEST (Australian Eastern Standard Time) and TRT (Turkey Time) timezone regions across the globe.

AEST Zone

→

TRT Zone

Explore all world timezones interactively →

AEST – Australian Eastern Standard Time

UTC+10:00

Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.

Countries in AEST

Australia (NSW, VIC, QLD, TAS, ACT)Papua New Guinea

Major Cities in AEST

SydneyMelbourneBrisbaneCanberraHobartGold Coast

Key Facts about AEST

•Queensland does not observe daylight saving time, staying on AEST year-round.
•Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
•The Australian Securities Exchange (ASX) operates on AEST/AEDT.
•AEST is 15 hours ahead of EST during winter.

Daylight Saving:Yes – switches to AEDT

Learn more about AEST on Wikipedia

TRT – Turkey Time

UTC+03:00

Turkey Time (TRT, UTC+03:00) is the single time zone used across Turkey, fixed year round since 2016.

Countries in TRT

Turkey

Major Cities in TRT

IstanbulAnkaraIzmirBursaAntalya

Key Facts about TRT

•Turkey has used a permanent UTC+03:00 since September 2016.
•TRT is level with Moscow Standard Time and Arabia Standard Time all year.
•Because Turkey kept summer time permanently, western cities see very late winter sunrises.
•Turkey previously observed daylight saving time from 1973 to 2016.

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

Learn more about TRT on Wikipedia

About Sydney

Wikipedia

Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.

Population:5.4 million

Metro:5.4 million

Business Hours:9:00 AM - 5:00 PM AEST

Currency:AUD (A$)

Stock Exchange:ASX (Australian Securities Exchange)

Key Landmarks

Sydney Opera HouseSydney Harbour BridgeBondi BeachDarling HarbourRoyal Botanic Garden

Did You Know?

Sydney is one of the first major cities to welcome the New Year.

Learn more about AEST timezone →

Understanding the -7h Gap: Sydney vs TRT

Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. TRT runs on Turkey Time (TRT) at UTC+03:00. That puts Sydney 7 hours behind TRT — a difference of -7h at the current offsets.

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

Sydney to TRT time conversion table

Sydney (AEST)	TRT (TRT)	Day
12:00 AM	5:00 PM	previous day
6:00 AM	11:00 PM	previous day
7:00 AM	12:00 AM	same day
8:00 AM	1:00 AM	same day
9:00 AM	2:00 AM	same day
12:00 PM	5:00 AM	same day
3:00 PM	8:00 AM	same day
5:00 PM	10:00 AM	same day
6:00 PM	11:00 AM	same day
9:00 PM	2:00 PM	same day

Why people convert Sydney to TRT time

Scheduling a call from Sydney to TRT: a 10:00 AM start in Sydney lands at 3:00 AM in TRT, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Sydney and TRT are inside the 9-to-5 working day between 4:00 PM and 5:00 PM AEST time (9:00 AM–10:00 AM TRT). That is roughly 1 hours of usable overlap.
Watching a live event or market open: Sydney viewers need 2:00 AM in TRT to catch a 9:00 AM start there, and 7:00 AM if the event is anchored to Sydney.

Always state the zone abbreviation, not just the hour. "3:00 PM AEST" is unambiguous; "3 PM" across a -7h gap is not.
Block 4:00 PM–5:00 PM AEST as the recurring meeting window if you work primarily from Sydney and need TRT colleagues present.
Sydney: Clocks spring forward on Sat, Oct 3, 2026. Re-check this page after that date because the offset changes and so does the -7h gap.

About AEST (Australian Eastern Standard Time)

Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.

About TRT (Turkey Time)

Turkey Time (TRT) is fixed at UTC+03:00 all year. Turkey abolished seasonal clock changes in September 2016, moving to a permanent UTC+03:00 so the whole country stays on what was formerly summer time. That leaves Istanbul, which sits close to 29°E, on an offset well ahead of its solar time — sunrise in mid-winter comes after 08:30 local. TRT shares its offset with Moscow Standard Time, Arabia Standard Time and East Africa Time, so Istanbul is level with Moscow and Riyadh all year and one hour ahead of Central European Time during the European winter.

Best time to call between Sydney and TRT

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

Business hours overlap

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

Sydney is 7 hours behind TRT (AEST UTC+10:00 → TRT UTC+03:00). The shared working window is 4:00 PM–5:00 PM AEST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Sydney

❄ Currently in Standard Time

Standard: UTC+10:00 · DST: UTC+11:00

Clocks spring forward on Sat, Oct 3, 2026

TRT

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 Sydney and TRT?

Sydney (AEST, UTC+10:00) is 7 hours behind TRT (TRT, UTC+03:00). The gap is currently -7h.

How do I convert Sydney time to TRT time?

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

What time is it in TRT right now?

TRT uses TRT at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from Sydney.

What is the best time to call TRT from Sydney?

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

Which is behind, Sydney or TRT?

Sydney is 7 hours behind TRT. When it is 12:00 PM in Sydney it is 5:00 AM in TRT.

Do Sydney and TRT use different time zones?

Sydney (Australia) uses AEST at UTC+10:00, while TRT uses TRT at UTC+03:00. The IANA identifiers are Australia/Sydney and Europe/Istanbul.

Does daylight saving time affect the Sydney–TRT difference?

Neither zone observes daylight saving time, so the -7h offset between Sydney and TRT is fixed all year.

Which other cities share Sydney's time zone?

AEST also covers Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.

Which countries use AEST, Sydney's zone?

AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.

Is there a day difference between Sydney and TRT?

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

What is the time difference between Sydney and TRT?

TRT is -7h from Sydney.

What timezone is Sydney in?

Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.