Tehran to Yerevan Time
IRST to AMT Converter — 9 AM IRST is 9:30 AM AMT
Tehran is 0 hours and 30 minutes behind Yerevan. Convert any time between Tehran (IRST/IRDT) and Yerevan (AMT) instantly.
Tehran
Iran
Yerevan
Armenia
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Time Zone Comparison
Tehran to Yerevan Time Conversion Table
| Tehran (IRST) | Yerevan (AMT) |
|---|---|
| 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 |
Tehran & Yerevan — Business & Scheduling Guide
Tehran (Iran) is one of the Middle East's largest economies with a young population, with key industries in oil and gas, petrochemicals, automotive, and agriculture. Yerevan (Armenia) is a Caucasus country with a strong diaspora-driven tech sector, known for IT and software, diamond processing, agriculture, and tourism. 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 Tehran and Yerevan
With only a 0.5-hour gap, Tehran and Yerevan have generous overlapping work hours. Morning calls in the later time zone align well with mid-day in the other. Iranian business hours are typically 8 AM–4 PM Saturday–Wednesday, with Thursday as a half-day and Friday off. Armenian business hours are typically 9 AM–6 PM, with a vibrant tech startup scene in Yerevan. 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), but Yerevan does not — it stays on AMT year-round. This means the time difference between Tehran and Yerevan changes by 1 hour when Tehran switches clocks. During Iran's summer, the gap is 0.5–1.5 hours instead of the standard 0.5 hours. Mark DST transition dates on your calendar to avoid missed meetings.
Collaboration Tools & Workflow
Teams working between Tehran and Yerevan enjoy strong real-time collaboration potential. With just a 0.5-hour time difference, daily standups, pair programming, and spontaneous video calls are all practical. Popular tools for Tehran–Yerevan teams include Slack for real-time messaging, Google Meet or Zoom for video calls, and Notion or Linear for project management. The overlapping work window is wide enough that most teams can operate nearly synchronously.
Remote Work Between Tehran & Yerevan
Tehran, a key city in Iran, and Yerevan, a key city in Armenia, are well-connected for remote work. With a manageable 0.5-hour time difference, distributed teams can maintain a near-synchronous workflow. Both cities have strong internet infrastructure, coworking spaces, and established remote work cultures. For freelancers and remote workers, this time zone pairing is ideal — you can serve clients in Yerevan from Tehran (or vice versa) without disrupting your standard workday.
IRST to AMT — Quick Reference
IRST (IRST/IRDT) stands for the timezone used in Tehran, Iran (UTC+3:30). AMT (AMT) is the timezone used in Yerevan, Armenia (UTC+4). Tehran is 0 hours and 30 minutes behind Yerevan.
To convert IRST to AMT, add 0.5 hours to IRST time. For example, IRST 9:00 AM = AMT 9:30 AM.
Key Facts
- •Time difference: Tehran (UTC+3:30) is 0 hours and 30 minutes behind Yerevan (UTC+4).
- •Daylight Saving Time: Tehran observes DST (IRST/IRDT). Yerevan does not observe DST (AMT).
- •Regions: Tehran is located in Iran and uses the IRST/IRDT time zone. Yerevan is located in Armenia and uses the AMT time zone.
- •Best time to call: The best time to call between Tehran and Yerevan is 9:00 AM to 4:00 PM in Tehran time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Tehran and Yerevan?
Tehran is 0 hours and 30 minutes behind Yerevan.
What time is it in Yerevan when it's 9 AM in Tehran?
When it's 9:00 AM in Tehran, it is 9:30 AM in Yerevan.
What time is 9 PM IRST in AMT?
9 PM IRST (Tehran time) is 9:30 PM AMT (Yerevan 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 Tehran and Yerevan?
The best time to schedule a meeting is between 9:00 AM to 4:00 PM in Tehran 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 IRST to AMT?
IRST (IRST/IRDT) is the timezone for Tehran, Iran (UTC+3:30). AMT (AMT) is the timezone for Yerevan, Armenia (UTC+4). Tehran is 0 hours and 30 minutes behind Yerevan. Quick examples: 9 AM IRST = 9:30 AM AMT, 12 PM IRST = 12:30 PM AMT, 3 PM IRST = 3:30 PM AMT, 6 PM IRST = 6:30 PM AMT.
Is Tehran ahead of or behind Yerevan?
Tehran is 30 minutes behind Yerevan. When it's noon in Tehran, it's 12:30 PM in Yerevan.
Does Tehran or Yerevan change clocks for Daylight Saving Time?
Yes, Tehran observes DST and switches between IRST/IRDT. Yerevan does not observe DST — it stays on AMT year-round. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
What time is noon in Tehran in Yerevan time?
When it is 12:00 PM (noon) in Tehran (IRST), it is 12:30 PM in Yerevan (AMT). This is often a popular time for scheduling lunch-hour calls across the Tehran–Yerevan corridor.
What are the overlapping work hours between Tehran and Yerevan?
The overlapping work hours between Tehran and Yerevan are approximately 9:00 AM to 4:00 PM in Tehran time, when both cities are within the standard 9 AM–5 PM workday. This is the ideal window for meetings, pair programming, and real-time collaboration.
What timezone is Tehran in?
Tehran is in the IRST/IRDT time zone (UTC+3:30). It is located in Iran. Tehran observes Daylight Saving Time, switching between IRST/IRDT.
What timezone is Yerevan in?
Yerevan is in the AMT time zone (UTC+4). It is located in Armenia. Yerevan does not observe Daylight Saving Time.
How do I schedule a call between Tehran and Yerevan?
To schedule a call between Tehran and Yerevan, aim for the overlapping window of 9:00 AM to 4:00 PM in Tehran time. Use Google Calendar or Calendly with both time zones visible, share the meeting invite with the AMT time clearly noted, and always double-check the time difference — especially during DST transitions. Pro tip: include both local times in the calendar invite title (e.g., "Sync — 10 AM IRST / 10:30 AM AMT").
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