Shanghai is 4 hours behind Wellington
Best overlap: 12:00 PM to 6:00 PM in Wellington is 8:00 AM to 2:00 PM in Shanghai.
The best time to meet is 12:00 PM to 6:00 PM in Wellington, which is 8:00 AM to 2:00 PM in Shanghai. Plenty of room to work with: 6 hours of daily overlap means you can prioritise people's preferences over the clock. The difference isn't constant year-round: Wellington adjusts for daylight saving while Shanghai holds steady.