Vietnam
China
Hanoi to Guangzhou Time Difference
Guangzhou is 1 hour ahead of Hanoi
Hanoi vs Guangzhou — At a Glance
Hanoi to Guangzhou — Hour-by-Hour
About Hanoi and Guangzhou
Hanoi (population: 8.1M) is known for Vietnam's capital, Ho Chi Minh Mausoleum, Old Quarter, and pho cuisine. Guangzhou (population: 18.7M) is known for the Canton Fair (world's largest trade fair), manufacturing, and Cantonese 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 Guangzhou.
Calling Between Cities
Calling between Hanoi (+84) and Guangzhou (+86) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Hanoi uses VND while Guangzhou uses CNY. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Hanoi primarily speaks Vietnamese, while Guangzhou speaks Cantonese and Mandarin. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Hanoi and Guangzhou visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Hanoi and Guangzhou?
Guangzhou, China is 1 hour ahead of Hanoi, Vietnam. Hanoi is in the Asia/Bangkok timezone (UTC+7) and Guangzhou is in the Asia/Shanghai timezone (UTC+8).
When it's noon in Hanoi, what time is it in Guangzhou?
When it's 12:00 PM (noon) in Hanoi, it's 1:00 PM in Guangzhou.
What is the best time to call Guangzhou from Hanoi?
With only a 1-hour difference, you can comfortably call Guangzhou anytime during standard business hours (9 AM–6 PM Hanoi time).
What currency does Guangzhou use?
Guangzhou, China uses CNY. Hanoi uses VND. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Guangzhou?
The primary languages in Guangzhou are Cantonese, Mandarin. English is widely used for international business communication.
How do I dial Guangzhou from Hanoi?
To call Guangzhou from Hanoi, dial your international access code followed by +86 and the local number. Hanoi uses country code +84 and Guangzhou uses +86.
