Tehran to Karachi Time
IRST to PKT Converter — 9 AM IRST is 10:30 AM PKT
Tehran is 1 hours and 30 minutes behind Karachi. Convert any time between Tehran (IRST/IRDT) and Karachi (PKT) instantly.
Tehran
Iran
Karachi
Pakistan
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Time Zone Comparison
Tehran to Karachi Time Conversion Table
| Tehran (IRST) | Karachi (PKT) |
|---|---|
| 12:00 AM | 1:30 AM |
| 2:00 AM | 3:30 AM |
| 4:00 AM | 5:30 AM |
| 6:00 AM | 7:30 AM |
| 8:00 AM | 9:30 AM |
| 10:00 AM | 11:30 AM |
| 12:00 PM | 1:30 PM |
| 2:00 PM | 3:30 PM |
| 4:00 PM | 5:30 PM |
| 6:00 PM | 7:30 PM |
| 8:00 PM | 9:30 PM |
| 10:00 PM | 11:30 PM |
Tehran & Karachi — Business & Scheduling Guide
Tehran (Iran) is an important regional economy, with key industries in diverse sectors including services and trade. Karachi (Pakistan) is an important regional economy, known for diverse sectors including services and trade. With a 1.5-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 Karachi
With only a 1.5-hour gap, Tehran and Karachi 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), but Karachi does not — it stays on PKT year-round. This means the time difference between Tehran and Karachi changes by 1 hour when Tehran switches clocks. During Iran's summer, the gap is 0.5–2.5 hours instead of the standard 1.5 hours. Mark DST transition dates on your calendar to avoid missed meetings.
IRST to PKT — Quick Reference
IRST (IRST/IRDT) stands for the timezone used in Tehran, Iran (UTC+3:30). PKT (PKT) is the timezone used in Karachi, Pakistan (UTC+5). Tehran is 1 hours and 30 minutes behind Karachi.
To convert IRST to PKT, add 1.5 hours to IRST time. For example, IRST 9:00 AM = PKT 10:30 AM.
Key Facts
- •Time difference: Tehran (UTC+3:30) is 1 hours and 30 minutes behind Karachi (UTC+5).
- •Daylight Saving Time: Tehran observes DST (IRST/IRDT). Karachi does not observe DST (PKT).
- •Regions: Tehran is located in Iran and uses the IRST/IRDT time zone. Karachi is located in Pakistan and uses the PKT time zone.
- •Best time to call: The best time to call between Tehran and Karachi is 9:00 AM to 3:00 PM in Tehran time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Tehran and Karachi?
Tehran is 1 hours and 30 minutes behind Karachi.
What time is it in Karachi when it's 9 AM in Tehran?
When it's 9:00 AM in Tehran, it is 10:30 AM in Karachi.
What time is 9 PM IRST in PKT?
9 PM IRST (Tehran time) is 10:30 PM PKT (Karachi 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 Karachi?
The best time to schedule a meeting is between 9:00 AM to 3:00 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 PKT?
IRST (IRST/IRDT) is the timezone for Tehran, Iran (UTC+3:30). PKT (PKT) is the timezone for Karachi, Pakistan (UTC+5). Tehran is 1 hours and 30 minutes behind Karachi. Quick examples: 9 AM IRST = 10:30 AM PKT, 12 PM IRST = 1:30 PM PKT, 3 PM IRST = 4:30 PM PKT, 6 PM IRST = 7:30 PM PKT.
Is Tehran ahead of or behind Karachi?
Tehran is 1 hour 30 minutes behind Karachi. When it's noon in Tehran, it's 1:30 PM in Karachi.
Does Tehran or Karachi change clocks for Daylight Saving Time?
Yes, Tehran observes DST and switches between IRST/IRDT. Karachi does not observe DST — it stays on PKT year-round. 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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