Istanbul and Cologne Time Zone Comparison
Anyone curious about the time difference between Istanbul and Cologne usually also wants to know a bit about each city. Istanbul is in the Middle East and Cologne is in Europe — thousands of kilometers apart.
Because Istanbul and/or Cologne 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 Istanbul and Cologne is easy — a normal business-hours slot works for both sides on the same calendar day.