What is the time difference between Seoul and Tokyo?

Seoul and Tokyo are in the same timezone. There is no time difference.

Time Difference Between Seoul and Tokyo

no difference Tokyo is same time as Seoul

Quick convert 9am Seoul 12pm Seoul 5pm Seoul 9am Tokyo

Seoul and Tokyo share the same UTC offset, which shapes how residents, professionals, and travelers coordinate across both cities. Neither city observes daylight saving time, so this zero-hour difference holds year-round.

Financial and commercial links between Seoul and Tokyo depend on timing. The shared business window runs 9am-5pm Seoul time (9am-5pm Tokyo time), giving traders, deal teams, and account managers a real-time window for calls and negotiations. Both cities carry significant weight in their regional economies, and cross-border business activity between them spans banking, logistics, and professional services.

Knowing when both cities are simultaneously open for business is the first step in structuring meetings, deal timelines, and reporting windows.

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Time in South Korea Time in Japan World Timezone Map

What is the time difference between Seoul and Tokyo?: Seoul and Tokyo share the same UTC offset and run on the same time.
Do Seoul and Tokyo share business hours?: Seoul and Tokyo share approximately 8 hours of standard business hours overlap. Both cities are simultaneously in working hours roughly 9am-5pm Seoul time (9am-5pm Tokyo time).
Does South Korea observe daylight saving time?: South Korea does not observe daylight saving time, so the offset remains fixed year-round.