Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Singapore to Istanbul

-5h

Singapore

SGTSOURCE

Singapore · UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Istanbul

TRT

Turkey · UTC+03:00

HH07

MM00

07:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Singapore

Istanbul

12:00 AM

7:00 PM-1

2:00 AM

9:00 PM-1

4:00 AM

11:00 PM-1

6:00 AM

1:00 AM

8:00 AM

3:00 AM

10:00 AM

5:00 AM

12:00 PM

7:00 AM

2:00 PM

9:00 AM

4:00 PM

11:00 AM

6:00 PM

1:00 PM

8:00 PM

3:00 PM

10:00 PM

5:00 PM

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

SGT and TRT on the World Map

The map below highlights the SGT (Singapore Standard Time) and TRT (Turkey Time) timezone regions across the globe.

SGT Zone

→

TRT Zone

Explore all world timezones interactively →

SGT – Singapore Standard Time

UTC+08:00

Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.

Countries in SGT

Singapore

Major Cities in SGT

Singapore

Key Facts about SGT

•Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
•Singapore does not observe daylight saving time.
•The Singapore Exchange (SGX) operates on SGT.

Daylight Saving:No – UTC+08:00 year-round

Learn more about SGT 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 Singapore

Wikipedia

Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.

Population:5.5 million

Metro:5.9 million

Business Hours:9:00 AM - 6:00 PM SGT

Currency:SGD (S$)

Stock Exchange:SGX (Singapore Exchange)

Key Landmarks

Marina Bay SandsGardens by the BayMerlionSentosa IslandOrchard Road

Did You Know?

The city-state has the world's highest percentage of millionaires, with 1 in 6 households.

Learn more about SGT timezone →

About Istanbul

Wikipedia

Istanbul operates on Turkey Time (TRT), UTC+3 year-round. As a transcontinental city, Istanbul bridges European and Asian business hours.

Population:15.5 million

Metro:15.8 million

Business Hours:9:00 AM - 6:00 PM TRT

Currency:TRY (₺)

Stock Exchange:Borsa Istanbul

Key Landmarks

Hagia SophiaBlue MosqueTopkapi PalaceGrand BazaarGalata Tower

Did You Know?

The Grand Bazaar is one of the world's oldest and largest covered markets with 4,000+ shops.

Learn more about TRT timezone →

Time Conversion Guide: Singapore to Istanbul

Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. Istanbul runs on Türkiye Standard Time (TRT) at UTC+03:00. That puts Singapore 5 hours behind Istanbul — a difference of -5h at the current offsets.

In practice, when it is 9:00 AM in Singapore it is 4:00 AM in Istanbul. Midnight in Singapore is 7:00 PM in Istanbul. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Singapore to Istanbul time conversion table

Singapore (SGT)	Istanbul (TRT)	Day
12:00 AM	7:00 PM	previous day
6:00 AM	1:00 AM	same day
7:00 AM	2:00 AM	same day
8:00 AM	3:00 AM	same day
9:00 AM	4:00 AM	same day
12:00 PM	7:00 AM	same day
3:00 PM	10:00 AM	same day
5:00 PM	12:00 PM	same day
6:00 PM	1:00 PM	same day
9:00 PM	4:00 PM	same day

Why people convert Singapore to Istanbul time

Scheduling a call from Singapore to Istanbul: a 10:00 AM start in Singapore lands at 5:00 AM in Istanbul, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Singapore and Istanbul are inside the 9-to-5 working day between 2:00 PM and 5:00 PM SGT time (9:00 AM–12:00 PM TRT). That is roughly 3 hours of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in Singapore is 3:00 PM in Istanbul makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a -5h gap is not.
Block 2:00 PM–5:00 PM SGT as the recurring meeting window if you work primarily from Singapore and need Istanbul colleagues present.

About SGT (Singapore Standard Time)

Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.

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 Singapore and Istanbul

Both Singapore and Istanbul sit inside the 9 AM – 5 PM working day between 2:00 PM–5:00 PM SGT, which is 9:00 AM–12:00 PM TRT. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Singapore and Istanbul overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.

Singapore is 5 hours behind Istanbul (SGT UTC+08:00 → TRT UTC+03:00). The shared working window is 2:00 PM–5:00 PM SGT. Remember to re-check around daylight-saving transitions.

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 Singapore and Istanbul?

Singapore (SGT, UTC+08:00) is 5 hours behind Istanbul (TRT, UTC+03:00). The gap is currently -5h.

How do I convert Singapore time to Istanbul time?

Add -5h to Singapore local time. For example, 9:00 AM in Singapore is 4:00 AM in Istanbul.

What time is it in Istanbul right now?

Istanbul 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 -5h offset from Singapore.

What is the best time to call Istanbul from Singapore?

Call between 2:00 PM and 5:00 PM SGT — that maps to 9:00 AM–12:00 PM TRT and keeps both parties inside the working day.

Which is behind, Singapore or Istanbul?

Singapore is 5 hours behind Istanbul. When it is 12:00 PM in Singapore it is 7:00 AM in Istanbul.

Do Singapore and Istanbul use different time zones?

Singapore (Singapore) uses SGT at UTC+08:00, while Istanbul (Turkey) uses TRT at UTC+03:00. The IANA identifiers are Asia/Singapore and Europe/Istanbul.

Does daylight saving time affect the Singapore–Istanbul difference?

Neither zone observes daylight saving time, so the -5h offset between Singapore and Istanbul is fixed all year.

Which other cities share Singapore's time zone?

SGT also covers Singapore.

Which countries use SGT, Singapore's zone?

SGT is used in Singapore.

Is there a day difference between Singapore and Istanbul?

Not normally. The -5h gap only pushes the date over the previous day.

What is the time difference between Singapore and Istanbul?

Istanbul is -5h from Singapore.

What timezone is Singapore in?

Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.

What timezone is Istanbul in?

Istanbul operates on Turkey Time (TRT), UTC+3 year-round. As a transcontinental city, Istanbul bridges European and Asian business hours.

What are the business hours in Singapore?

Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.

What are the business hours in Istanbul?

Standard business hours in Istanbul are 9:00 AM - 6:00 PM TRT.

What is the best time to schedule a call between Singapore and Istanbul?

The best overlap for a call is when both cities are in business hours. Singapore works 9:00 AM - 6:00 PM SGT and Istanbul works 9:00 AM - 6:00 PM TRT (-5h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Singapore and Istanbul?

Singapore uses SGD (S$) while Istanbul uses TRY (₺). Check current exchange rates when planning travel or business between these cities.

How do Singapore and Istanbul compare in size?

Singapore has a population of approximately 5.5 million (metro: 5.9 million), while Istanbul has approximately 15.5 million (metro: 15.8 million).

What are the major landmarks in Singapore and Istanbul?

Singapore is known for Marina Bay Sands, Gardens by the Bay, Merlion. Istanbul is famous for Hagia Sophia, Blue Mosque, Topkapi Palace.

Do Singapore and Istanbul have stock exchanges?

Yes. Singapore has the SGX (Singapore Exchange) and Istanbul has the Borsa Istanbul. The -5h time difference affects trading hour overlaps between these exchanges.