Hong Kong is 6 hours ahead of Warsaw
Best overlap: 8:00 AM to 12:00 PM in Warsaw is 2:00 PM to 6:00 PM in Hong Kong.
Plan around 8:00 AM to 12:00 PM in Warsaw, which is 2:00 PM to 6:00 PM in Hong Kong, to catch everyone during office hours. Hong Kong is 6 hours ahead of Warsaw, so the practical overlap is about 4 hours — generous enough for meetings, tight enough to be worth booking ahead. Seasonal note: Warsaw uses daylight saving and Hong Kong doesn't, so double-check the times in your own months — they can move by an hour.