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.

Dubai to Tehran

-0h 30m

Dubai

GSTSOURCE

UAE · UTC+04:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Tehran

IRST

Iran · UTC+03:30

HH11

MM30

11:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Dubai

Tehran

12:00 AM

11:30 PM-1

2:00 AM

1:30 AM

4:00 AM

3:30 AM

6:00 AM

5:30 AM

8:00 AM

7:30 AM

10:00 AM

9:30 AM

12:00 PM

11:30 AM

2:00 PM

1:30 PM

4:00 PM

3:30 PM

6:00 PM

5:30 PM

8:00 PM

7:30 PM

10:00 PM

9:30 PM

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

GST and IRST on the World Map

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

GST Zone

→

IRST Zone

Explore all world timezones interactively →

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

IRST – Iran Standard Time

UTC+03:30

Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.

Countries in IRST

Iran

Major Cities in IRST

TehranIsfahanMashhadTabrizShirazKaraj

Key Facts about IRST

•IRST is one of only a few time zones with a 30-minute offset.
•Iran observes daylight saving time, switching to IRDT (UTC+04:30).
•Tehran has a metropolitan population of over 16 million.

Daylight Saving:Yes – switches to IRDT

Learn more about IRST on Wikipedia

About Dubai

Wikipedia

Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.

Population:3.5 million

Metro:4.1 million

Business Hours:8:00 AM - 6:00 PM GST

Currency:AED (د.إ)

Stock Exchange:DFM (Dubai Financial Market)

Key Landmarks

Burj KhalifaPalm JumeirahBurj Al ArabDubai MallDubai Frame

Did You Know?

Dubai has no income tax, making it a major hub for international business.

Learn more about GST timezone →

About Tehran

Wikipedia

Tehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.

Population:9.4 million

Metro:16.8 million

Business Hours:8:00 AM - 4:00 PM IRST

Currency:IRR (﷼)

Stock Exchange:TSE (Tehran Stock Exchange)

Key Landmarks

Azadi TowerGolestan PalaceGrand BazaarMilad TowerTabiat Bridge

Did You Know?

Iran Standard Time (IRST) is one of few timezones with a 30-minute offset (UTC+3:30).

Learn more about IRST timezone →

Dubai to Tehran Time Difference – Complete Guide

Dubai runs on Gulf Standard Time (GST) at UTC+04:00. Tehran runs on Iran Standard Time (IRST) at UTC+03:30. That puts Dubai 30 minutes behind Tehran — a difference of -0h 30m at the current offsets.

In practice, when it is 9:00 AM in Dubai it is 8:30 AM in Tehran. Midnight in Dubai is 11:30 PM in Tehran. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Dubai to Tehran time conversion table

Dubai (GST)	Tehran (IRST)	Day
12:00 AM	11:30 PM	previous day
6:00 AM	5:30 AM	same day
7:00 AM	6:30 AM	same day
8:00 AM	7:30 AM	same day
9:00 AM	8:30 AM	same day
12:00 PM	11:30 AM	same day
3:00 PM	2:30 PM	same day
5:00 PM	4:30 PM	same day
6:00 PM	5:30 PM	same day
9:00 PM	8:30 PM	same day

Why people convert Dubai to Tehran time

Scheduling a call from Dubai to Tehran: a 10:00 AM start in Dubai lands at 9:30 AM in Tehran, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Dubai and Tehran are inside the 9-to-5 working day between 9:30 AM and 5:00 PM GST time (9:00 AM–4:30 PM IRST). That is roughly 7 hours 30 minutes of usable overlap.
Coordinating a Dubai-based team with Tehran contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM GST" is unambiguous; "3 PM" across a -0h 30m gap is not.
Block 9:30 AM–5:00 PM GST as the recurring meeting window if you work primarily from Dubai and need Tehran colleagues present.

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.

About IRST (Iran Standard Time)

Iran Standard Time (IRST) is one of the few time zones with a 30-minute offset. Iran observes daylight saving time (IRDT, UTC+04:30) from late March to late September. Tehran, the capital, is one of the largest cities in the Middle East.

Best time to call between Dubai and Tehran

Both Dubai and Tehran sit inside the 9 AM – 5 PM working day between 9:30 AM–5:00 PM GST, which is 9:00 AM–4:30 PM IRST. That gives roughly 7 hours and 30 minutes of shared time — the safest window for a live call or meeting.

Business hours overlap

Dubai and Tehran share 7 hours of working-hours overlap (9:30 AM–5:00 PM GST), so scheduling a live meeting is straightforward.

Dubai is 30 minutes behind Tehran (GST UTC+04:00 → IRST UTC+03:30). The shared working window is 9:30 AM–5:00 PM GST. 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 Dubai and Tehran?

Dubai (GST, UTC+04:00) is 30 minutes behind Tehran (IRST, UTC+03:30). The gap is currently -0h 30m.

How do I convert Dubai time to Tehran time?

Add -0h 30m to Dubai local time. For example, 9:00 AM in Dubai is 8:30 AM in Tehran.

What time is it in Tehran right now?

Tehran uses IRST at UTC+03:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -0h 30m offset from Dubai.

What is the best time to call Tehran from Dubai?

Call between 9:30 AM and 5:00 PM GST — that maps to 9:00 AM–4:30 PM IRST and keeps both parties inside the working day.

Which is behind, Dubai or Tehran?

Dubai is 30 minutes behind Tehran. When it is 12:00 PM in Dubai it is 11:30 AM in Tehran.

Do Dubai and Tehran use different time zones?

Dubai (UAE) uses GST at UTC+04:00, while Tehran (Iran) uses IRST at UTC+03:30. The IANA identifiers are Asia/Dubai and Asia/Tehran.

Does daylight saving time affect the Dubai–Tehran difference?

Neither zone observes daylight saving time, so the -0h 30m offset between Dubai and Tehran is fixed all year.

Which other cities share Dubai's time zone?

GST also covers Dubai, Abu Dhabi, Muscat, Baku, Tbilisi.

Which countries use GST, Dubai's zone?

GST is used in UAE, Oman, Georgia, Azerbaijan, Mauritius.

Is there a day difference between Dubai and Tehran?

Not normally. The -0h 30m gap only pushes the date over the previous day.

What is the time difference between Dubai and Tehran?

Tehran is -0h 30m from Dubai.

What timezone is Dubai in?

Dubai operates on Gulf Standard Time (GST), 4 hours ahead of GMT. Dubai's position between Europe and Asia makes it a strategic hub for international business.

What timezone is Tehran in?

Tehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.

What are the business hours in Dubai?

Standard business hours in Dubai are 8:00 AM - 6:00 PM GST.

What are the business hours in Tehran?

Standard business hours in Tehran are 8:00 AM - 4:00 PM IRST.

What is the best time to schedule a call between Dubai and Tehran?

The best overlap for a call is when both cities are in business hours. Dubai works 8:00 AM - 6:00 PM GST and Tehran works 8:00 AM - 4:00 PM IRST (-0h 30m difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Dubai and Tehran?

Dubai uses AED (د.إ) while Tehran uses IRR (﷼). Check current exchange rates when planning travel or business between these cities.

How do Dubai and Tehran compare in size?

Dubai has a population of approximately 3.5 million (metro: 4.1 million), while Tehran has approximately 9.4 million (metro: 16.8 million).

What are the major landmarks in Dubai and Tehran?

Dubai is known for Burj Khalifa, Palm Jumeirah, Burj Al Arab. Tehran is famous for Azadi Tower, Golestan Palace, Grand Bazaar.

Do Dubai and Tehran have stock exchanges?

Yes. Dubai has the DFM (Dubai Financial Market) and Tehran has the TSE (Tehran Stock Exchange). The -0h 30m time difference affects trading hour overlaps between these exchanges.