Istanbul and Zilina Time Zone Comparison
The distance between Istanbul and Zilina is felt not just in kilometers, but in time zones too. Zilina is in Europe, while Istanbul sits in the Middle East; their daylight saving rules also differ.
Because Istanbul and/or Zilina observe daylight saving time for part of the year, the gap between them isn't fixed β it ranges between 1 and 2 hours depending on the season.
With such a small gap, scheduling a call between Istanbul and Zilina is easy β a normal business-hours slot works for both sides on the same calendar day.