Doha to Tehran Time
AST to IRST Converter — 9 AM AST is 9:30 AM IRST
Doha is 0 hours and 30 minutes behind Tehran. Convert any time between Doha (AST) and Tehran (IRST/IRDT) instantly.
Doha
Qatar
Tehran
Iran
Add Time Zones to Compare
Time Zone Comparison
Doha to Tehran Time Conversion Table
| Doha (AST) | Tehran (IRST) |
|---|---|
| 12:00 AM | 12:30 AM |
| 2:00 AM | 2:30 AM |
| 4:00 AM | 4:30 AM |
| 6:00 AM | 6:30 AM |
| 8:00 AM | 8:30 AM |
| 10:00 AM | 10:30 AM |
| 12:00 PM | 12:30 PM |
| 2:00 PM | 2:30 PM |
| 4:00 PM | 4:30 PM |
| 6:00 PM | 6:30 PM |
| 8:00 PM | 8:30 PM |
| 10:00 PM | 10:30 PM |
Doha & Tehran — Business & Scheduling Guide
Doha (Qatar) is an important regional economy, with key industries in diverse sectors including services and trade. Tehran (Iran) is an important regional economy, known for diverse sectors including services and trade. With a 0.5-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Doha and Tehran
With only a 0.5-hour gap, Doha and Tehran have generous overlapping work hours. Morning calls in the later time zone align well with mid-day in the other. Business hours typically follow a 9 AM–5 PM schedule. Business hours typically follow a 9 AM–5 PM schedule. Most teams find that late morning to early afternoon offers the widest window for collaboration.
Daylight Saving Time Considerations
Tehran observes Daylight Saving Time (IRST/IRDT), while Doha stays on AST year-round. When Tehran switches to daylight time, the effective time difference shifts by 1 hour. This typically happens in spring and fall, and the exact dates vary by country. If you have recurring cross-timezone meetings, recalculate the schedule after each DST transition.
AST to IRST — Quick Reference
AST (AST) stands for the timezone used in Doha, Qatar (UTC+3). IRST (IRST/IRDT) is the timezone used in Tehran, Iran (UTC+3:30). Doha is 0 hours and 30 minutes behind Tehran.
To convert AST to IRST, add 0.5 hours to AST time. For example, AST 9:00 AM = IRST 9:30 AM.
Key Facts
- •Time difference: Doha (UTC+3) is 0 hours and 30 minutes behind Tehran (UTC+3:30).
- •Daylight Saving Time: Doha does not observe DST (AST). Tehran observes DST (IRST/IRDT).
- •Regions: Doha is located in Qatar and uses the AST time zone. Tehran is located in Iran and uses the IRST/IRDT time zone.
- •Best time to call: The best time to call between Doha and Tehran is 9:00 AM to 4:00 PM in Doha time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Doha and Tehran?
Doha is 0 hours and 30 minutes behind Tehran.
What time is it in Tehran when it's 9 AM in Doha?
When it's 9:00 AM in Doha, it is 9:30 AM in Tehran.
What time is 9 PM AST in IRST?
9 PM AST (Doha time) is 9:30 PM IRST (Tehran time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Doha and Tehran?
The best time to schedule a meeting is between 9:00 AM to 4:00 PM in Doha time, when both cities are within standard working hours (9 AM – 5 PM). This gives you the maximum overlap window for real-time collaboration.
How do I convert AST to IRST?
AST (AST) is the timezone for Doha, Qatar (UTC+3). IRST (IRST/IRDT) is the timezone for Tehran, Iran (UTC+3:30). Doha is 0 hours and 30 minutes behind Tehran. Quick examples: 9 AM AST = 9:30 AM IRST, 12 PM AST = 12:30 PM IRST, 3 PM AST = 3:30 PM IRST, 6 PM AST = 6:30 PM IRST.
Is Doha ahead of or behind Tehran?
Doha is 30 minutes behind Tehran. When it's noon in Doha, it's 12:30 PM in Tehran.
Does Doha or Tehran change clocks for Daylight Saving Time?
No, Doha does not observe DST — it stays on AST year-round. Tehran observes DST and switches between IRST/IRDT. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
Related Time Zone Conversions
More from Doha
Convert to Tehran
Working across time zones?
Auto-sync calendar events into your timesheet — no matter what time zone your team is in. Connect Google Calendar, Teams, or Zoom and export a polished timesheet in seconds.
No credit card required. Free forever plan available.