World Timezones

Seattle to Shanghai Converter

Compare Shanghai to Seattle instead

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Offset

15 hours

Seattle (PDT) is currently behind Shanghai (GMT+8).

PDT: UTC-7

GMT+8: UTC+8

Seattle is currently observing daylight saving time; Shanghai is not.

When to schedule

Standard business hours (9 AM–5 PM, Mon–Fri) in Seattle and Shanghai don't overlap on the same weekday. Shanghai is 15 hours ahead of Seattle.

Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.

This window may shift by an hour during daylight saving time.

About these zones

Seattle uses Pacific Time (PST, or PDT).

Shanghai uses China Standard Time (CST).

Seattle and Shanghai are approximately 5,700 miles apart.

Quick reference

Full 24-hour conversion table.

SeattleShanghaiDay
12:00 am3:00 pm-1 day
1:00 am4:00 pm-1 day
2:00 am5:00 pm-1 day
3:00 am6:00 pm-1 day
4:00 am7:00 pm-1 day
5:00 am8:00 pm-1 day
6:00 am9:00 pm-1 day
7:00 am10:00 pm-1 day
8:00 am11:00 pm-1 day
9:00 am12:00 amSame day
10:00 am1:00 amSame day
11:00 am2:00 amSame day
12:00 pm3:00 amSame day
1:00 pm4:00 amSame day
2:00 pm5:00 amSame day
3:00 pm6:00 amSame day
4:00 pm7:00 amSame day
5:00 pm8:00 amSame day
6:00 pm9:00 amSame day
7:00 pm10:00 amSame day
8:00 pm11:00 amSame day
9:00 pm12:00 pmSame day
10:00 pm1:00 pmSame day
11:00 pm2:00 pmSame day

Daylight saving time

Seattle observes daylight saving time; Shanghai does not. The offset between the two zones changes when Seattle transitions: on Sunday, November 1, 2026, clocks fall back from PDT to PST.

Daylight today

Seattle
Sunrise
5:20 AM
Sunset
8:55 PM
Day length
15h 34m
Shanghai
Sunrise
4:53 AM
Sunset
6:51 PM
Day length
13h 57m

Cities in these zones

Airports in these zones

Airports in Pacific Time

  • BUR
  • HHR
  • LAX
  • LGB
  • SNA
  • CLD
  • SAN
  • TIJ
  • OAK
  • SFO

Airports in China Standard Time

  • PVG
  • SHA
  • PEK
  • PKX
  • SZX
  • CAN
  • FUO
  • CTU
  • TFU
  • TSN

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