Vietnam
Japan
Hanoi to Tokyo Time Difference
Tokyo is 2 hours ahead of Hanoi
Hanoi vs Tokyo — At a Glance
Hanoi to Tokyo — Hour-by-Hour
About Hanoi and Tokyo
Hanoi (population: 8.1M) is known for Vietnam's capital, Ho Chi Minh Mausoleum, Old Quarter, and pho cuisine. Tokyo (population: 13.9M) is known for the world's largest metropolitan economy, Shibuya Crossing, anime culture, and Toyota.
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 Tokyo.
Calling Between Cities
Calling between Hanoi (+84) and Tokyo (+81) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Hanoi uses VND while Tokyo uses JPY. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Hanoi primarily speaks Vietnamese, 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 Hanoi and Tokyo visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Hanoi and Tokyo?
Tokyo, Japan is 2 hours ahead of Hanoi, Vietnam. Hanoi is in the Asia/Bangkok timezone (UTC+7) and Tokyo is in the Asia/Tokyo timezone (UTC+9).
When it's noon in Hanoi, what time is it in Tokyo?
When it's 12:00 PM (noon) in Hanoi, it's 2:00 PM in Tokyo.
What is the best time to call Tokyo from Hanoi?
With only a 2-hour difference, you can comfortably call Tokyo anytime during standard business hours (9 AM–6 PM Hanoi time).
What currency does Tokyo use?
Tokyo, Japan uses JPY. Hanoi uses VND. 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 Hanoi?
To call Tokyo from Hanoi, dial your international access code followed by +81 and the local number. Hanoi uses country code +84 and Tokyo uses +81.