Oslo is 3 hours behind Karachi
Best overlap: 11:00 AM to 6:00 PM in Karachi is 8:00 AM to 3:00 PM in Oslo.
The best time to meet is 11:00 AM to 6:00 PM in Karachi, which is 8:00 AM to 3:00 PM in Oslo. Plenty of room to work with: 7 hours of daily overlap means you can prioritise people's preferences over the clock. Note the seasonal wrinkle: when Oslo is on daylight saving and Karachi isn't, the gap between them grows or shrinks by an hour.