Dubai to Tehran Time
GST to IRST Converter — 9 AM GST is 8:30 AM IRST
Dubai is 0 hours and 30 minutes ahead of Tehran. Convert any time between Dubai (GST) and Tehran (IRST/IRDT) instantly.
Dubai
United Arab Emirates
Tehran
Iran
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Time Zone Comparison
Dubai to Tehran Time Conversion Table
| Dubai (GST) | Tehran (IRST) |
|---|---|
| 12:00 AM | 11:30 PM |
| 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 |
Dubai & Tehran — Business & Scheduling Guide
Dubai (United Arab Emirates) is a global trade and tourism hub connecting East and West, with key industries in real estate, tourism, aviation, finance, and oil & gas. 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 Dubai and Tehran
With only a 0.5-hour gap, Dubai and Tehran have generous overlapping work hours. Morning calls in the earlier time zone align well with mid-day in the other. The UAE work week runs Sunday–Thursday with typical hours of 9 AM–6 PM, and Friday is the weekend start. 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 Dubai stays on GST 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.
GST to IRST — Quick Reference
GST (GST) stands for the timezone used in Dubai, United Arab Emirates (UTC+4). IRST (IRST/IRDT) is the timezone used in Tehran, Iran (UTC+3:30). Dubai is 0 hours and 30 minutes ahead of Tehran.
To convert GST to IRST, subtract 0.5 hours from GST time. For example, GST 9:00 AM = IRST 8:30 AM.
Key Facts
- •Time difference: Dubai (UTC+4) is 0 hours and 30 minutes ahead of Tehran (UTC+3:30).
- •Daylight Saving Time: Dubai does not observe DST (GST). Tehran observes DST (IRST/IRDT).
- •Regions: Dubai is located in United Arab Emirates and uses the GST time zone. Tehran is located in Iran and uses the IRST/IRDT time zone.
- •Best time to call: The best time to call between Dubai and Tehran is 10:00 AM to 4:00 PM in Dubai time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Dubai and Tehran?
Dubai is 0 hours and 30 minutes ahead of Tehran.
What time is it in Tehran when it's 9 AM in Dubai?
When it's 9:00 AM in Dubai, it is 8:30 AM in Tehran.
What time is 9 PM GST in IRST?
9 PM GST (Dubai time) is 8:30 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 Dubai and Tehran?
The best time to schedule a meeting is between 10:00 AM to 4:00 PM in Dubai 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 GST to IRST?
GST (GST) is the timezone for Dubai, United Arab Emirates (UTC+4). IRST (IRST/IRDT) is the timezone for Tehran, Iran (UTC+3:30). Dubai is 0 hours and 30 minutes ahead of Tehran. Quick examples: 9 AM GST = 8:30 AM IRST, 12 PM GST = 11:30 AM IRST, 3 PM GST = 2:30 PM IRST, 6 PM GST = 5:30 PM IRST.
Is Dubai ahead of or behind Tehran?
Dubai is 30 minutes ahead of Tehran. When it's noon in Dubai, it's 11:30 AM in Tehran.
Does Dubai or Tehran change clocks for Daylight Saving Time?
No, Dubai does not observe DST — it stays on GST 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).
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