Tehran to Doha
-0h 30mTehran
IRSTSOURCEDoha
ASTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and AST on the World Map
The map below highlights the IRST (Iran Standard Time) and AST (Arabia Standard Time) timezone regions across the globe.
IRST – Iran Standard Time
UTC+03:30Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.
- •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.
AST – Arabia Standard Time
UTC+03:00Arabia Standard Time (AST, UTC+03:00) is the time zone for Saudi Arabia and the other Gulf states of the Arabian peninsula.
- •None of the Gulf states on Arabia Standard Time observe daylight saving.
- •AST is the same offset as Moscow Standard Time and East Africa Time.
- •Riyadh is one hour ahead of Central European Time in winter.
- •The AST abbreviation is shared with Atlantic Standard Time (UTC-04:00).
About Tehran
WikipediaTehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.
Iran Standard Time (IRST) is one of few timezones with a 30-minute offset (UTC+3:30).
About Doha
WikipediaDoha operates on Arabia Standard Time (AST), UTC+3, same as Riyadh. As the world's leading LNG exporter, Doha time influences global energy trading.
Doha is home to Al Jazeera, one of the world's largest news networks.
Time Conversion Guide: Tehran to Doha
Tehran runs on Iran Standard Time (IRST) at UTC+03:30. Doha runs on Arabian Standard Time (AST) at UTC+03:00. That puts Tehran 30 minutes behind Doha — a difference of -0h 30m at the current offsets.
In practice, when it is 9:00 AM in Tehran it is 8:30 AM in Doha. Midnight in Tehran is 11:30 PM in Doha. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Tehran to Doha time conversion table
| Tehran (IRST) | Doha (AST) | 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 Tehran to Doha time
- Scheduling a call from Tehran to Doha: a 10:00 AM start in Tehran lands at 9:30 AM in Doha, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tehran and Doha are inside the 9-to-5 working day between 9:30 AM and 5:00 PM IRST time (9:00 AM–4:30 PM AST). That is roughly 7 hours 30 minutes of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Tehran is 7:30 PM in Doha makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a -0h 30m gap is not.
- Block 9:30 AM–5:00 PM IRST as the recurring meeting window if you work primarily from Tehran and need Doha colleagues present.
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.
About AST (Arabia Standard Time)
Arabia Standard Time (AST) is fixed at UTC+03:00 all year across Saudi Arabia, Qatar, Kuwait, Bahrain, Iraq and Yemen. None of these countries observes daylight saving time, so the offset never changes. The abbreviation collides with Atlantic Standard Time (UTC-04:00) used in eastern Canada and the Caribbean; this page covers the Arabian peninsula meaning. Arabia Standard Time is the same offset as Moscow Standard Time and East Africa Time, which makes scheduling with Europe straightforward — Riyadh is one hour ahead of Central European Time in winter and level with it during European summer time.
Best time to call between Tehran and Doha
Both Tehran and Doha sit inside the 9 AM – 5 PM working day between 9:30 AM–5:00 PM IRST, which is 9:00 AM–4:30 PM AST. That gives roughly 7 hours and 30 minutes of shared time — the safest window for a live call or meeting.
Business hours overlap
Tehran and Doha share 7 hours of working-hours overlap (9:30 AM–5:00 PM IRST), so scheduling a live meeting is straightforward.
Tehran is 30 minutes behind Doha (IRST UTC+03:30 → AST UTC+03:00). The shared working window is 9:30 AM–5:00 PM IRST. 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:
Frequently Asked Questions
What is the time difference between Tehran and Doha?
Tehran (IRST, UTC+03:30) is 30 minutes behind Doha (AST, UTC+03:00). The gap is currently -0h 30m.
How do I convert Tehran time to Doha time?
Add -0h 30m to Tehran local time. For example, 9:00 AM in Tehran is 8:30 AM in Doha.
What time is it in Doha right now?
Doha uses AST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -0h 30m offset from Tehran.
What is the best time to call Doha from Tehran?
Call between 9:30 AM and 5:00 PM IRST — that maps to 9:00 AM–4:30 PM AST and keeps both parties inside the working day.
Which is behind, Tehran or Doha?
Tehran is 30 minutes behind Doha. When it is 12:00 PM in Tehran it is 11:30 AM in Doha.
Do Tehran and Doha use different time zones?
Tehran (Iran) uses IRST at UTC+03:30, while Doha (Qatar) uses AST at UTC+03:00. The IANA identifiers are Asia/Tehran and Asia/Qatar.
Does daylight saving time affect the Tehran–Doha difference?
Neither zone observes daylight saving time, so the -0h 30m offset between Tehran and Doha is fixed all year.
Which other cities share Tehran's time zone?
IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
Which countries use IRST, Tehran's zone?
IRST is used in Iran.
Is there a day difference between Tehran and Doha?
Not normally. The -0h 30m gap only pushes the date over the previous day.
What is the time difference between Tehran and Doha?
Doha is -0h 30m from Tehran.
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 timezone is Doha in?
Doha operates on Arabia Standard Time (AST), UTC+3, same as Riyadh. As the world's leading LNG exporter, Doha time influences global energy trading.
What are the business hours in Tehran?
Standard business hours in Tehran are 8:00 AM - 4:00 PM IRST.
What are the business hours in Doha?
Standard business hours in Doha are 7:00 AM - 3:00 PM AST (Sunday-Thursday).
What is the best time to schedule a call between Tehran and Doha?
The best overlap for a call is when both cities are in business hours. Tehran works 8:00 AM - 4:00 PM IRST and Doha works 7:00 AM - 3:00 PM AST (Sunday-Thursday) (-0h 30m difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tehran and Doha?
Tehran uses IRR (﷼) while Doha uses QAR (﷼). Check current exchange rates when planning travel or business between these cities.
How do Tehran and Doha compare in size?
Tehran has a population of approximately 9.4 million (metro: 16.8 million), while Doha has approximately 1.2 million (metro: 2.4 million).
What are the major landmarks in Tehran and Doha?
Tehran is known for Azadi Tower, Golestan Palace, Grand Bazaar. Doha is famous for Museum of Islamic Art, Souq Waqif, The Pearl-Qatar.
Do Tehran and Doha have stock exchanges?
Yes. Tehran has the TSE (Tehran Stock Exchange) and Doha has the QSE (Qatar Stock Exchange). The -0h 30m time difference affects trading hour overlaps between these exchanges.
Which countries use IRST (Iran Standard Time)?
IRST is used in Iran.
Does IRST observe daylight saving time?
Yes, IRST switches to IRDT during summer months.
What are some interesting 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).
Which cities are in the AST timezone?
Major cities in the AST timezone include Riyadh, Jeddah, Doha, Kuwait City, Baghdad.
What is the UTC offset for AST?
Arabia Standard Time (AST) is at UTC+03:00.
What should I know about the AST timezone?
None of the Gulf states on Arabia Standard Time observe daylight saving. AST is the same offset as Moscow Standard Time and East Africa Time.
When is it midnight in Tehran, what time is it in Doha?
When it is 12:00 AM (midnight) in Tehran (IRST), it is -0h 30m later in Doha (AST).
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