Kuala Lumpur is 3 hours ahead of Karachi
Best overlap: 8:00 AM to 3:00 PM in Karachi is 11:00 AM to 6:00 PM in Kuala Lumpur.
Book within 8:00 AM to 3:00 PM Karachi time (11:00 AM to 6:00 PM in Kuala Lumpur) and both teams will be at work. That's a roomy 7 hours of common time each day, so finding a slot that suits everyone is rarely a problem.