Karachi is 2 hours ahead of Istanbul
Best overlap: 8:00 AM to 4:00 PM in Istanbul is 10:00 AM to 6:00 PM in Karachi.
Plan around 8:00 AM to 4:00 PM in Istanbul, which is 10:00 AM to 6:00 PM in Karachi, to catch everyone during office hours. This is one of the easier pairings: 8 hours of shared time means flexible, low-stress scheduling.