South Korea
Japan
Seoul to Tokyo Time Difference
Tokyo is 0 hours ahead of Seoul
Seoul vs Tokyo — At a Glance
Seoul to Tokyo — Hour-by-Hour
About Seoul and Tokyo
Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation. Tokyo (population: 13.9M) is known for the world's largest metropolitan economy, Shibuya Crossing, anime culture, and Toyota.
Business Hours Overlap
With only a 0-hour time difference, Seoul and Tokyo share most of the standard business day, making scheduling calls and meetings easy.
Calling Between Cities
Calling between Seoul (+82) and Tokyo (+81) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Seoul uses KRW while Tokyo uses JPY. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Seoul primarily speaks Korean, while Tokyo speaks Japanese. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Seoul and Tokyo visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Seoul and Tokyo?
Tokyo, Japan is 0 hours ahead of Seoul, South Korea. Seoul is in the Asia/Seoul timezone (UTC+9) and Tokyo is in the Asia/Tokyo timezone (UTC+9).
When it's noon in Seoul, what time is it in Tokyo?
When it's 12:00 PM (noon) in Seoul, it's 12:00 PM in Tokyo.
What is the best time to call Tokyo from Seoul?
With only a 0-hour difference, you can comfortably call Tokyo anytime during standard business hours (9 AM–6 PM Seoul time).
What currency does Tokyo use?
Tokyo, Japan uses JPY. Seoul uses KRW. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Tokyo?
The primary language in Tokyo is Japanese. English is widely used for international business communication.
How do I dial Tokyo from Seoul?
To call Tokyo from Seoul, dial your international access code followed by +81 and the local number. Seoul uses country code +82 and Tokyo uses +81.