Intosoft 工具

Dubai to Iran

-0h 30m

Dubai

GSTSOURCE
UAE · UTC+04:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Iran

IRST
UTC+03:30
HH11
:
MM30
  
11:30 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Dubai
Iran
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.

GSTIRSTDubaiAbu DhabiMuscatBakuTehranIsfahanMashhadTabriz
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 →

Comparing Time Zones: Dubai and Iran

Dubai runs on Gulf Standard Time (GST) at UTC+04:00. Iran runs on Iran Standard Time (IRST) at UTC+03:30. That puts Dubai 30 minutes behind Iran — 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 Iran. Midnight in Dubai is 11:30 PM in Iran. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Dubai to Iran time conversion table

Dubai (GST)Iran (IRST)Day
12:00 AM11:30 PMprevious day
6:00 AM5:30 AMsame day
7:00 AM6:30 AMsame day
8:00 AM7:30 AMsame day
9:00 AM8:30 AMsame day
12:00 PM11:30 AMsame day
3:00 PM2:30 PMsame day
5:00 PM4:30 PMsame day
6:00 PM5:30 PMsame day
9:00 PM8:30 PMsame day

Why people convert Dubai to Iran time

  • Scheduling a call from Dubai to Iran: a 10:00 AM start in Dubai lands at 9:30 AM in Iran, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Dubai and Iran 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.
  • Watching a live event or market open: Dubai viewers need 8:30 AM in Iran to catch a 9:00 AM start there, and 12:30 AM if the event is anchored to Dubai.
  • 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 Iran 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 Iran

Both Dubai and Iran 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 Iran 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 Iran (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.

Frequently Asked Questions

What is the time difference between Dubai and Iran?

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

How do I convert Dubai time to Iran time?

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

What time is it in Iran right now?

Iran 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 Iran 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 Iran?

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

Do Dubai and Iran use different time zones?

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

Does daylight saving time affect the Dubai–Iran difference?

Neither zone observes daylight saving time, so the -0h 30m offset between Dubai and Iran 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 Iran?

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

What is the time difference between Dubai and Iran?

Iran 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 Iran in?

Iran operates on its local timezone.

What are the business hours in Dubai?

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

Which countries use GST (Gulf Standard Time)?

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

Does GST observe daylight saving time?

No, GST does not observe daylight saving time and remains at UTC+04:00 year-round.

What are some interesting 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.

Which cities are in the IRST timezone?

Major cities in the IRST timezone include Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.

What is the UTC offset for IRST?

Iran Standard Time (IRST) is at UTC+03:30. During daylight saving time, it shifts to IRDT.

What should I know about the IRST timezone?

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).

When is it midnight in Dubai, what time is it in Iran?

When it is 12:00 AM (midnight) in Dubai (GST), it is -0h 30m later in Iran (IRST).