Tehran to Lagos Time
IRST to WAT Converter — 9 AM IRST is 6:30 AM WAT
Tehran is 2 hours and 30 minutes ahead of Lagos. Convert any time between Tehran (IRST/IRDT) and Lagos (WAT) instantly.
Tehran
Iran
Lagos
Nigeria
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Time Zone Comparison
Tehran to Lagos Time Conversion Table
| Tehran (IRST) | Lagos (WAT) |
|---|---|
| 12:00 AM | 9:30 PM |
| 2:00 AM | 11:30 PM |
| 4:00 AM | 1:30 AM |
| 6:00 AM | 3:30 AM |
| 8:00 AM | 5:30 AM |
| 10:00 AM | 7:30 AM |
| 12:00 PM | 9:30 AM |
| 2:00 PM | 11:30 AM |
| 4:00 PM | 1:30 PM |
| 6:00 PM | 3:30 PM |
| 8:00 PM | 5:30 PM |
| 10:00 PM | 7:30 PM |
Tehran & Lagos — Business & Scheduling Guide
Tehran (Iran) is an important regional economy, with key industries in diverse sectors including services and trade. Lagos (Nigeria) is Africa's largest economy and most populous nation, known for oil & gas, fintech, agriculture, and telecommunications. With a 2.5-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 Lagos
With only a 2.5-hour gap, Tehran and Lagos have generous overlapping work hours. Morning calls in the earlier time zone align well with mid-day in the other. Business hours typically follow a 9 AM–5 PM schedule. Nigerian business hours are typically 8 AM–5 PM, with Lagos emerging as Africa's leading fintech hub. 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 Lagos does not — it stays on WAT year-round. This means the time difference between Tehran and Lagos changes by 1 hour when Tehran switches clocks. During Iran's summer, the gap is 1.5–3.5 hours instead of the standard 2.5 hours. Mark DST transition dates on your calendar to avoid missed meetings.
IRST to WAT — Quick Reference
IRST (IRST/IRDT) stands for the timezone used in Tehran, Iran (UTC+3:30). WAT (WAT) is the timezone used in Lagos, Nigeria (UTC+1). Tehran is 2 hours and 30 minutes ahead of Lagos.
To convert IRST to WAT, subtract 2.5 hours from IRST time. For example, IRST 9:00 AM = WAT 6:30 AM.
Key Facts
- •Time difference: Tehran (UTC+3:30) is 2 hours and 30 minutes ahead of Lagos (UTC+1).
- •Daylight Saving Time: Tehran observes DST (IRST/IRDT). Lagos does not observe DST (WAT).
- •Regions: Tehran is located in Iran and uses the IRST/IRDT time zone. Lagos is located in Nigeria and uses the WAT time zone.
- •Best time to call: The best time to call between Tehran and Lagos is 12:00 PM 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 Lagos?
Tehran is 2 hours and 30 minutes ahead of Lagos.
What time is it in Lagos when it's 9 AM in Tehran?
When it's 9:00 AM in Tehran, it is 6:30 AM in Lagos.
What time is 9 PM IRST in WAT?
9 PM IRST (Tehran time) is 6:30 PM WAT (Lagos 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 Lagos?
The best time to schedule a meeting is between 12:00 PM 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 WAT?
IRST (IRST/IRDT) is the timezone for Tehran, Iran (UTC+3:30). WAT (WAT) is the timezone for Lagos, Nigeria (UTC+1). Tehran is 2 hours and 30 minutes ahead of Lagos. Quick examples: 9 AM IRST = 6:30 AM WAT, 12 PM IRST = 9:30 AM WAT, 3 PM IRST = 12:30 PM WAT, 6 PM IRST = 3:30 PM WAT.
Is Tehran ahead of or behind Lagos?
Tehran is 2 hours 30 minutes ahead of Lagos. When it's noon in Tehran, it's 9:30 AM in Lagos.
Does Tehran or Lagos change clocks for Daylight Saving Time?
Yes, Tehran observes DST and switches between IRST/IRDT. Lagos does not observe DST — it stays on WAT 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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