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Time difference: Hong Kong to Seattle
HKG (Hong Kong International Airport) → SEA (Seattle Tacoma International Airport)
-15h
Seattle is behind
10d
est. jet-lag recovery, westbound
Reading the clocks
When it's noon in Hong Kong, it's 9:00 PM in Seattle. Good for planning calls home or coordinating with people on the other end.
Jet lag outlook
Significant jet lagCrossing 15 time zones westbound — plan roughly 10 days to feel fully adjusted. Shifting your sleep schedule 3 days before departure helps.
Frequently asked questions
What is the time difference between Hong Kong and Seattle?
Seattle is 15 hours behind Hong Kong.
How bad will my jet lag be?
Crossing 15 time zones westbound typically takes 10 days to fully adjust to. Eastbound trips (traveling against your body clock) tend to feel worse than the same distance westbound.
What is the flight time from HKG to SEA?
The nonstop flight distance is 6,489 miles. See the full distance and flight-time breakdown for exact timing.
What's the best way to book around jet lag?
Overnight eastbound flights that land in the morning let you push through to local bedtime and adjust faster. Call CheapoTrav — our agents know which schedules on this route land at the best local time, plus unpublished phone-only fares.