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.

Turkey to GST

+1h

Turkey

TRTSOURCE

UTC+03:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

GST

UTC+04:00

HH01

MM00

13:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Turkey

GST

12:00 AM

1:00 AM

2:00 AM

3:00 AM

4:00 AM

5:00 AM

6:00 AM

7:00 AM

8:00 AM

9:00 AM

10:00 AM

11:00 AM

12:00 PM

1:00 PM

2:00 PM

3:00 PM

4:00 PM

5:00 PM

6:00 PM

7:00 PM

8:00 PM

9:00 PM

10:00 PM

11:00 PM

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

TRT and GST on the World Map

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

TRT Zone

→

GST Zone

Explore all world timezones interactively →

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

GST – Gulf Standard Time

UTC+04:00

Gulf Standard Time (GST) is used in the UAE, Oman, and other Gulf states, 4 hours ahead of UTC.

Countries in GST

UAEOmanGeorgiaAzerbaijanMauritius

Major Cities in GST

DubaiAbu DhabiMuscatBakuTbilisi

Key Facts about GST

•Dubai uses GST year-round with no daylight saving time.
•GST is 9 hours ahead of EST and 4 hours ahead of GMT.
•The Dubai Financial Market (DFM) operates on GST.

Daylight Saving:No – UTC+04:00 year-round

Learn more about GST on Wikipedia

Turkey vs GST: Offsets, DST and Best Call Times

Turkey runs on Türkiye Standard Time (TRT) at UTC+03:00. GST runs on Gulf Standard Time (GST) at UTC+04:00. That puts Turkey 1 hour ahead of GST — a difference of +1h at the current offsets.

In practice, when it is 9:00 AM in Turkey it is 10:00 AM in GST. Midnight in Turkey is 1:00 AM in GST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Turkey to GST time conversion table

Turkey (TRT)	GST (GST)	Day
12:00 AM	1:00 AM	same day
6:00 AM	7:00 AM	same day
7:00 AM	8:00 AM	same day
8:00 AM	9:00 AM	same day
9:00 AM	10:00 AM	same day
12:00 PM	1:00 PM	same day
3:00 PM	4:00 PM	same day
5:00 PM	6:00 PM	same day
6:00 PM	7:00 PM	same day
9:00 PM	10:00 PM	same day

Why people convert Turkey to GST time

Scheduling a call from Turkey to GST: a 10:00 AM start in Turkey lands at 11:00 AM in GST, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Turkey and GST are inside the 9-to-5 working day between 9:00 AM and 4:00 PM TRT time (10:00 AM–5:00 PM GST). That is roughly 7 hours of usable overlap.
Booking travel or deliveries: tracking GST local time against Turkey keeps pickup windows and arrival estimates honest across the +1h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM TRT" is unambiguous; "3 PM" across a +1h gap is not.
Block 9:00 AM–4:00 PM TRT as the recurring meeting window if you work primarily from Turkey and need GST colleagues present.

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.

About GST (Gulf Standard Time)

Gulf Standard Time (GST) is the time zone used in the United Arab Emirates, Oman, and other Gulf states. GST does not observe daylight saving time. Dubai and Abu Dhabi, major international business and tourism hubs, operate on GST.

Best time to call between Turkey and GST

Both Turkey and GST sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM TRT, which is 10:00 AM–5:00 PM GST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Turkey and GST share 7 hours of working-hours overlap (9:00 AM–4:00 PM TRT), so scheduling a live meeting is straightforward.

Turkey is 1 hour ahead of GST (TRT UTC+03:00 → GST UTC+04:00). The shared working window is 9:00 AM–4:00 PM TRT. 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 Turkey and GST?

Turkey (TRT, UTC+03:00) is 1 hour ahead of GST (GST, UTC+04:00). The gap is currently +1h.

How do I convert Turkey time to GST time?

Add +1h to Turkey local time. For example, 9:00 AM in Turkey is 10:00 AM in GST.

What time is it in GST right now?

GST uses GST at UTC+04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from Turkey.