Vietnam
South Korea
Hanoi to Seoul Time Difference
Seoul is 2 hours ahead of Hanoi
Hanoi vs Seoul — At a Glance
Hanoi to Seoul — Hour-by-Hour
About Hanoi and Seoul
Hanoi (population: 8.1M) is known for Vietnam's capital, Ho Chi Minh Mausoleum, Old Quarter, and pho cuisine. Seoul (population: 9.7M) is known for Samsung and LG headquarters, K-pop culture, Gangnam, and rapid tech innovation.
Business Hours Overlap
Hanoi is a national capital, so official government hours (typically 9 AM–5 PM) are the primary window for diplomatic and administrative communication with Seoul.
Calling Between Cities
Calling between Hanoi (+84) and Seoul (+82) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Hanoi uses VND while Seoul uses KRW. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Hanoi primarily speaks Vietnamese, while Seoul speaks Korean. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Hanoi and Seoul visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Hanoi and Seoul?
Seoul, South Korea is 2 hours ahead of Hanoi, Vietnam. Hanoi is in the Asia/Bangkok timezone (UTC+7) and Seoul is in the Asia/Seoul timezone (UTC+9).
When it's noon in Hanoi, what time is it in Seoul?
When it's 12:00 PM (noon) in Hanoi, it's 2:00 PM in Seoul.
What is the best time to call Seoul from Hanoi?
With only a 2-hour difference, you can comfortably call Seoul anytime during standard business hours (9 AM–6 PM Hanoi time).
What currency does Seoul use?
Seoul, South Korea uses KRW. Hanoi uses VND. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Seoul?
The primary language in Seoul is Korean. English is widely used for international business communication.
How do I dial Seoul from Hanoi?
To call Seoul from Hanoi, dial your international access code followed by +82 and the local number. Hanoi uses country code +84 and Seoul uses +82.