Seoul ↔ Washington D.C.
Seoul is +13 ahead of Washington D.C.
Sun, Jun 7
25°Covercast cloudsSat, Jun 6
26°Covercast cloudsSeoulUTC+9
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08
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Washington D.C.UTC-4
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07
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When to call
No comfortable common working hours — these cities barely overlap.
Working hours assumed 9:00–18:00.
Seoul does not switch to summer/winter time — UTC+9 all year round.
Currently summer time (EDT, UTC-4).
Next change: November 1, 2026 — clocks go back 1 hour.