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Time Difference: Seattle to Singapore

🇺🇸SeattleUTC-8
vs
🇸🇬SingaporeUTC+8
🇺🇸
Seattle, US
Fri, Jun 19
🇸🇬
Singapore, Singapore
Sat, Jun 20

Click a time to convert

Time Difference
15 hours
Singapore is 15 hours ahead of Seattle
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🇺🇸
Seattle
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🇸🇬
Singapore
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Seattle vs Singapore timezone guide

Seattle (US) uses the America/Los_Angeles timezone at UTC-8, while Singapore (Singapore) uses Asia/Singapore at UTC+8. This means Singapore is 16 hours ahead of Seattle (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Seattle and Singapore

Standard 9-to-5 working hours in Seattle and Singapore do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

SeattleSingaporeStatus
6am9pmSeattle early, Singapore evening
7am10pmSeattle early, Singapore late evening
8am11pmSeattle early, Singapore late evening
9am12amSeattle working hours, Singapore asleep
10am1amSeattle working hours, Singapore asleep
11am2amSeattle working hours, Singapore asleep
12pm3amSeattle working hours, Singapore asleep
1pm4amSeattle working hours, Singapore asleep
2pm5amSeattle working hours, Singapore asleep
3pm6amOne side outside 9-to-5 but still awake
4pm7amOne side outside 9-to-5 but still awake
5pm8amSeattle evening, Singapore early
6pm9amOne side outside 9-to-5 but still awake
7pm10amOne side outside 9-to-5 but still awake
8pm11amOne side outside 9-to-5 but still awake
9pm12pmOne side outside 9-to-5 but still awake
10pm1pmSeattle late evening, Singapore working hours

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Seattle and Singapore

Seattle observes daylight saving time, but Singapore does not. That means the difference between the two cities changes seasonally — by one hour, around Seattle's transition dates.

  • Dec 31 → Mar 8Seattle is 16 hours behind Singapore
  • Mar 8 → Nov 1Seattle is 15 hours behind Singapore
  • Nov 1 → Dec 31Seattle is 16 hours behind Singapore

Distance between Seattle and Singapore

Great-circle distance
12,978 km
Direct flight time
~16h 16m

Seattle and Singapore are 12,978 km apart along the great-circle route. A direct flight takes roughly ~16h 16m, depending on aircraft type, winds, and routing.

More comparisons

Seattle to New YorkSeattle to LondonSeattle to TokyoSeattle to SydneySingapore to New YorkSingapore to LondonSingapore to TokyoSingapore to Sydney

Frequently asked questions

What is the time difference between Seattle and Singapore?
The current time difference is 15 hours. Seattle is currently 15 hours behind Singapore.
Is Seattle ahead of Singapore?
No. Seattle is currently 15 hours behind Singapore.
What time is it in Singapore when it's 9 AM in Seattle?
When it's 9 AM in Seattle, it's 12am in Singapore.
When is the best time to schedule a meeting between Seattle and Singapore?
Standard 9-to-5 working hours in Seattle and Singapore do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do Seattle and Singapore observe daylight saving time?
Seattle observes daylight saving time, but Singapore does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Seattle and Singapore?
Seattle and Singapore are 12,978 km apart along the great-circle route. A direct flight takes roughly 16 hours 16 minutes.