Japan
Vietnam
Tokyo to Hanoi Time Difference
Hanoi is 2 hours behind Tokyo
Tokyo vs Hanoi — At a Glance
Tokyo to Hanoi — Hour-by-Hour
About Tokyo and Hanoi
Tokyo (population: 13.9M) is known for the world's largest metropolitan economy, Shibuya Crossing, anime culture, and Toyota. Hanoi (population: 8.1M) is known for Vietnam's capital, Ho Chi Minh Mausoleum, Old Quarter, and pho cuisine.
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 Tokyo (+81) and Hanoi (+84) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Tokyo uses JPY while Hanoi uses VND. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Tokyo primarily speaks Japanese, while Hanoi speaks Vietnamese. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Tokyo and Hanoi visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Tokyo and Hanoi?
Hanoi, Vietnam is 2 hours behind Tokyo, Japan. Tokyo is in the Asia/Tokyo timezone (UTC+9) and Hanoi is in the Asia/Bangkok timezone (UTC+7).
When it's noon in Tokyo, what time is it in Hanoi?
When it's 12:00 PM (noon) in Tokyo, it's 10:00 AM in Hanoi.
What is the best time to call Hanoi from Tokyo?
With only a 2-hour difference, you can comfortably call Hanoi anytime during standard business hours (9 AM–6 PM Tokyo time).
What currency does Hanoi use?
Hanoi, Vietnam uses VND. Tokyo uses JPY. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Hanoi?
The primary language in Hanoi is Vietnamese. English is widely used for international business communication.
How do I dial Hanoi from Tokyo?
To call Hanoi from Tokyo, dial your international access code followed by +84 and the local number. Tokyo uses country code +81 and Hanoi uses +84.
