Istanbul and Mostar Time Zone Comparison
The distance between Istanbul and Mostar is felt not just in kilometers, but in time zones too. Geographically, Istanbul sits in the Middle East while Mostar is located in Europe.
Because Istanbul and/or Mostar 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 Mostar is easy — a normal business-hours slot works for both sides on the same calendar day.