Izmir and Duisburg Time Zone Comparison
The distance between Izmir and Duisburg is felt not just in kilometers, but in time zones too. Izmir and Duisburg sit on different continents, in noticeably different time zones, and at least one of them observes daylight saving time.
Because Izmir and/or Duisburg observe daylight saving time for part of the year, the gap between them isn't fixed — it ranges between 1 and 2 hours depending on the season.
With such a small gap, scheduling a call between Izmir and Duisburg is easy — a normal business-hours slot works for both sides on the same calendar day.