Tehran to Oslo Time Difference
🇮🇷 Tehran is currently 2.5 hours behind of 🇳🇴 Oslo. This difference varies between 2.5h and 1.5h due to Daylight Saving Time.
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Difference
-2.5h
Business overlap
7h
Distance
3,951 km
Approx. flight
4.6h
Hour-by-Hour: Tehran to Oslo
| 🇮🇷 Tehran | 🇳🇴 Oslo | Note |
|---|---|---|
| 12:00 AM | 9:30 PM(prev day) | Previous day |
| 1:00 AM | 10:30 PM(prev day) | Previous day |
| 2:00 AM | 11:30 PM(prev day) | Previous day |
| 3:00 AM | 12:30 AM | |
| 4:00 AM | 1:30 AM | |
| 5:00 AM | 2:30 AM | |
| 6:00 AM | 3:30 AM | |
| 7:00 AM | 4:30 AM | |
| 8:00 AM | 5:30 AM | |
| 9:00 AM | 6:30 AM | |
| 10:00 AM | 7:30 AM | |
| 11:00 AM | 8:30 AM | |
| 12:00 PM | 9:30 AM | |
| 1:00 PM | 10:30 AM | |
| 2:00 PM | 11:30 AM | |
| 3:00 PM | 12:30 PM | |
| 4:00 PM | 1:30 PM | |
| 5:00 PM | 2:30 PM | |
| 6:00 PM | 3:30 PM | |
| 7:00 PM | 4:30 PM | |
| 8:00 PM | 5:30 PM | |
| 9:00 PM | 6:30 PM | |
| 10:00 PM | 7:30 PM | |
| 11:00 PM | 8:30 PM |
Daylight Saving Time (DST)
Oslo observes Daylight Saving Time, while Tehran does not. This causes the time difference to shift between 2.5 hours behind and 1.5 hours behind depending on the season. Currently, Tehran is 2.5 hours behind relative to Oslo.
Min difference
2.5h
Max difference
1.5h
Best Meeting Times
There are 7 overlapping business hours between Tehran and Oslo (9 AM – 6 PM in each city).
🇮🇷 Tehran
11:00 AM – 6:00 PM
🇳🇴 Oslo
8:30 AM – 3:30 PM
Frequently Asked Questions
What is the time difference between Tehran and Oslo?
The time difference between Tehran and Oslo is currently 2.5 hours behind. Tehran uses GMT+3:30 (UTC+3:30), while Oslo uses GMT+1 (UTC+1). This difference varies seasonally due to Daylight Saving Time, ranging from 2.5 hours behind to 1.5 hours behind.
When it's noon in Tehran, what time is it in Oslo?
When it's 12:00 PM (noon) in Tehran, it is 9:30 AM in Oslo. Use our calculator above to convert any other time.
Does the time difference between Tehran and Oslo change?
Yes, the time difference changes throughout the year. Because Oslo observes Daylight Saving Time, the offset shifts between 2.5 hours behind and 1.5 hours behind at different times of the year.
What are the best times to schedule a call between Tehran and Oslo?
The best time to call is between 11:00 AM and 6:00 PM in Tehran (which is 8:30 AM – 3:30 PM in Oslo). This 7-hour window falls within business hours in both cities.
Is Tehran ahead or behind Oslo?
Tehran is currently 2.5 hours ahead of Oslo.
What time zone is Tehran in?
Tehran is in the Asia/Tehran time zone, currently using GMT+3:30 (UTC+3:30). Tehran does not observe Daylight Saving Time.
What time is midnight in Tehran in Oslo?
When it is midnight (12:00 AM) in Tehran, it is 9:30 PM in Oslo.