Time difference
Seattle to Shanghai Time Difference
Shanghai is 15 hours ahead of Seattle — when it's 12:00 PM in Seattle, it's 3:00 AM the next day in Shanghai. (Seattle (America/Los_Angeles, PDT); Shanghai (Asia/Shanghai, CST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Shanghai is 15 hours ahead of Seattle. Standard 9 AM–5 PM business hours in Seattle and Shanghai do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between Seattle and Shanghai — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Seattle, it's 12:00 AM the next day in Shanghai.
- When it's 9:00 AM in Shanghai, it's 6:00 PM the previous day in Seattle.
Shanghai is currently 15 hours ahead of Seattle.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in Seattle and Shanghai do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Seattle, or a 6–8 PM meeting in Shanghai.
Quick conversion table
| Seattle | Shanghai |
|---|---|
| 12 AM | 3:00 PM |
| 1 AM | 4:00 PM |
| 2 AM | 5:00 PM |
| 3 AM | 6:00 PM |
| 4 AM | 7:00 PM |
| 5 AM | 8:00 PM |
| 6 AM | 9:00 PM |
| 7 AM | 10:00 PM |
| 8 AM | 11:00 PM |
| 9 AM | 12:00 AM (next day) |
| 10 AM | 1:00 AM (next day) |
| 11 AM | 2:00 AM (next day) |
| 12 PM | 3:00 AM (next day) |
| 1 PM | 4:00 AM (next day) |
| 2 PM | 5:00 AM (next day) |
| 3 PM | 6:00 AM (next day) |
| 4 PM | 7:00 AM (next day) |
| 5 PM | 8:00 AM (next day) |
| 6 PM | 9:00 AM (next day) |
| 7 PM | 10:00 AM (next day) |
| 8 PM | 11:00 AM (next day) |
| 9 PM | 12:00 PM (next day) |
| 10 PM | 1:00 PM (next day) |
| 11 PM | 2:00 PM (next day) |
Daylight saving
On November 1, 2026, Seattle shifts for daylight saving. After that, Shanghai will be 16 hours ahead of Seattle (currently 15 hours ahead of Seattle). The converter and the tables above always reflect the correct offset for the date you pick.
- Seattle is currently observing daylight saving time.
- Shanghai does not observe daylight saving time.
Frequently asked questions
- Is Shanghai ahead of or behind Seattle?
- Shanghai is 15 hours ahead of Seattle.
- How many hours ahead of Seattle is Shanghai?
- Shanghai is 15 hours ahead of Seattle.
- What time is 9 AM in Seattle in Shanghai?
- 9:00 AM in Seattle is 12:00 AM the next day in Shanghai.
- What time is noon in Seattle in Shanghai?
- 12:00 PM in Seattle is 3:00 AM the next day in Shanghai.
- What time is 5 PM in Seattle in Shanghai?
- 5:00 PM in Seattle is 8:00 AM the next day in Shanghai. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Seattle in Shanghai?
- 3:00 PM in Seattle is 6:00 AM the next day in Shanghai.
- Is Seattle currently observing daylight saving time?
- Seattle is currently observing daylight saving time (summer time).
- Is Shanghai currently observing daylight saving time?
- Shanghai does not observe daylight saving time — its UTC offset stays the same all year.
- Do Seattle and Shanghai observe daylight saving?
- On November 1, 2026, Seattle shifts for daylight saving. After that, Shanghai will be 16 hours ahead of Seattle (currently 15 hours ahead of Seattle). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Shanghai from Seattle?
- Seattle and Shanghai business hours don't overlap. The closest options are early mornings in Seattle or late evenings, when one side stretches outside 9–5.
- When is the best time to call Seattle from Shanghai?
- Shanghai and Seattle business hours don't overlap. The closest options are early mornings in Shanghai or late evenings, when one side stretches outside 9–5.
- Seattle (PDT) to Shanghai (CST) — how do I convert quickly?
- Add 15 hours to Seattle local time to get Shanghai local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- New York to Seattle
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