Oslo is 6 hours behind Shanghai
Best overlap: 2:00 PM to 6:00 PM in Shanghai is 8:00 AM to 12:00 PM in Oslo.
The sweet spot is 2:00 PM to 6:00 PM Shanghai time, matching 8:00 AM to 12:00 PM in Oslo. Because Oslo is 6 hours behind Shanghai, the 4-hour overlap is your golden hours — 2:00 PM in Shanghai maps to 8:00 AM in Oslo for a dependable slot. Because only Oslo changes its clocks, the overlap above isn't fixed; expect a one-hour shift when Oslo enters or leaves daylight saving.