Hong Kong 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 Hong Kong.
Target 8:00 AM to 3:00 PM in Karachi, which lands at 11:00 AM to 6:00 PM for the Hong Kong side. Hong Kong is 3 hours ahead of Karachi, but with 7 hours of common ground you can hold morning or afternoon meetings without anyone working odd hours.