Oslo, Norway Tehran, Iran
Compare time between Oslo and Tehran
Date
Time format
Oslo, Norway
3:38
PM
Friday, August 21, 2026
Tehran, Iran
5:08
PM
Friday, August 21, 2026
Time Difference Timeline
See the time difference throughout the day
Day time
Night time
Time difference
1h 30m
During daylight saving time the difference may change by ±1 hour.
Best time to meet
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Quick facts
Oslo time zone: CEST (UTC+2)
Tehran time zone: +0330 (UTC+3:30)
Distance: Oslo → Tehran
Frequently Asked Questions
Oslo is in the CEST timezone (UTC+2) and Tehran is in the +0330 timezone (UTC+3:30). The time difference between them is 1h 30m.
Use the timeline above to find overlapping business hours between Oslo and Tehran. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
Oslo observes Daylight Saving Time, while Tehran does not. When DST is active in Oslo, the time difference changes by 1 hour.
Click the pencil icon next to the Oslo clock and type any time. The Tehran clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.