Shanghai SeattleTime Converter
Shanghai (GMT+8, UTC+8) is currently 15 hours ahead of Seattle (PDT, UTC−7). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Shanghai, it's the previous day in Seattle.
Shanghai (GMT+8) runs 15 hours ahead of Seattle (PST/PDT). A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours — edge-of-day calls are the trick.
- Time difference
- −15h 00m
- Shanghai
- UTC+8
- Seattle
- UTC−7
- Best call window
- Outside 9–6
Shanghai to Seattle conversion table
The next 12 hours in Shanghai and the matching local time in Seattle. The current hour is highlighted; drag the converter's slider and the table follows.
| Shanghai · GMT+8 | Seattle · PDT |
|---|---|
| NOW Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Mon, Jul 27 |
Sun, Jul 26 |
Best time to meet between Shanghai & Seattle
Working hours are 9am–6pm in each city. The bright band is where they overlap: both sides at their desks.
Daylight saving shifts this gap by up to 1 hour
The difference between Shanghai and Seattle swings between 16 and 15 hours across the year as each side starts or ends daylight saving. Shanghai does not observe daylight saving time. Clocks in Seattle move back 1 hour to PST (UTC−8) on Sunday, November 1, 2026. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair: every combination is a live tool, not an article.
From Shanghai
To Seattle
One source of truth, for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am Shanghai time in Seattle?", it can cite the exact, DST-aware result, not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with time zone identifiers and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "Shanghai → Seattle",
"url": "https://worldclock.pro/en/convert/shanghai-to-seattle",
"from": {
"name": "Shanghai",
"type": "city",
"abbreviation": "GMT+8",
"daylightAbbreviation": null,
"iana": "Asia/Shanghai",
"standardUtcOffset": "+08:00",
"daylightUtcOffset": null,
"referenceCity": "Shanghai"
},
"to": {
"name": "Seattle",
"type": "city",
"abbreviation": "PST",
"daylightAbbreviation": "PDT",
"iana": "America/Los_Angeles",
"standardUtcOffset": "-08:00",
"daylightUtcOffset": "-07:00",
"referenceCity": "Seattle"
},
"currentDifferenceMinutes": -900,
"possibleDifferencesMinutes": [
-960,
-900
],
"note": "Between the regions that use these zones the difference is 16 and 15 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between Shanghai and Seattle?
Shanghai is currently 15 hours ahead of Seattle. Shanghai is on GMT+8 (UTC+8) and Seattle is on PDT (UTC−7). The difference can change when either side starts or ends daylight saving time.
Is Seattle ahead of or behind Shanghai?
Seattle is currently 15 hours behind Shanghai.
When it is 9:00 AM in Shanghai, what time is it in Seattle?
When it is 9:00 AM on a Sunday in Shanghai, it is 6:00 PM the previous day in Seattle.
Do Shanghai and Seattle observe daylight saving time?
Shanghai does not observe daylight saving time. Clocks in Seattle move back 1 hour to PST (UTC−8) on Sunday, November 1, 2026.
How do I convert Shanghai time to Seattle time?
Subtract 15 hours from any time in Shanghai to get the time in Seattle. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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