TimeThereShanghai to Seattle time difference
Seattle is 15h behind Shanghai (as of 2026-09-30).
Shanghai does not use daylight saving time. Seattle does, so the gap changes twice a year.
Every gap change in 2026 and 2027
Gap means how far Seattle is from Shanghai. Times are local at the moment the new gap starts.
2026
| Shanghai time | Seattle time | Gap |
|---|---|---|
| Sun, Mar 8, 18:00 | Sun, Mar 8, 03:00 | 16h behind to 15h behind (shrinks) |
| Sun, Nov 1, 17:00 | Sun, Nov 1, 01:00 | 15h behind to 16h behind (grows) |
2027
| Shanghai time | Seattle time | Gap |
|---|---|---|
| Sun, Mar 14, 18:00 | Sun, Mar 14, 03:00 | 16h behind to 15h behind (shrinks) |
| Sun, Nov 7, 17:00 | Sun, Nov 7, 01:00 | 15h behind to 16h behind (grows) |
Business hours overlap
- 16h behind: Working days of 9:00 to 18:00: 1h shared (Shanghai 09:00 to 10:00 is Seattle 17:00 to 18:00). Working days of 8:00 to 20:00: 4h shared (Shanghai 08:00 to 12:00 is Seattle 16:00 to 20:00).
- 15h behind: Working days of 9:00 to 18:00: no shared hours. Working days of 8:00 to 20:00: 3h shared (Shanghai 08:00 to 11:00 is Seattle 17:00 to 20:00).
FAQ
What is the time difference between Shanghai and Seattle?
Seattle is 16h behind from Jan 1, 2026, then 15h behind from Mar 8, 2026, then 16h behind from Nov 1, 2026, then 15h behind from Mar 14, 2027, then 16h behind from Nov 7, 2027. The exact number depends on daylight saving time.
When does the time difference between Shanghai and Seattle change?
It changes on Mar 8, 2026, Nov 1, 2026, Mar 14, 2027, Nov 7, 2027 (dates in Shanghai time).
What are good meeting times for Shanghai and Seattle?
Working days of 9:00 to 18:00: 1h shared (Shanghai 09:00 to 10:00 is Seattle 17:00 to 18:00). Working days of 8:00 to 20:00: 4h shared (Shanghai 08:00 to 12:00 is Seattle 16:00 to 20:00). Check the table above because the gap moves on the dates listed.
Related pairs
- Seoul to Seattle
- Tokyo to Seattle
- Bangalore to Seattle
- Mumbai to Seattle
- Singapore to Seattle
- Manila to Seattle
- Shanghai to San Francisco
- Shanghai to Los Angeles
Data comes from the IANA time zone database as built into Node.js. Later rule changes by governments can move these dates.
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