Copenhagen is 1.5 hours behind Tehran
Best overlap: 9:30 AM to 6:30 PM in Tehran is 8:00 AM to 5:00 PM in Copenhagen.
The best time to meet is 9:30 AM to 6:30 PM in Tehran, which is 8:00 AM to 5:00 PM in Copenhagen. Copenhagen is 1.5 hours behind Tehran, yet you get a full 9 hours of shared hours — enough to schedule around lunches, focus time, and preferences with ease. The difference isn't constant year-round: Copenhagen adjusts for daylight saving while Tehran holds steady.