China
Guangzhou

China

Vietnam
Hanoi

Vietnam

Guangzhou to Hanoi Time Difference

Hanoi is 1 hour behind Guangzhou

GuangzhouChina
10:00 AM
Thursday, April 2, 2026
UTC+8
HanoiVietnam
9:00 AM
Thursday, April 2, 2026
UTC+7

Guangzhou vs Hanoi — At a Glance

Guangzhou
Hanoi
Time Zone
UTC+8
UTC+7
Currency
CNY
VND
Language
Cantonese
Vietnamese
Dial Code
+86
+84
Hub Type
trade
government

Guangzhou to Hanoi — Hour-by-Hour

Guangzhou, China
Hanoi, Vietnam
12:00 AM
11:00 PM(Apr 1)
1:00 AM
12:00 AM
2:00 AM
1:00 AM
3:00 AM
2:00 AM
4:00 AM
3:00 AM
5:00 AM
4:00 AM
6:00 AM
5:00 AM
7:00 AM
6:00 AM
8:00 AM
7:00 AM
9:00 AM
8:00 AM
10:00 AM
9:00 AM
11:00 AM
10:00 AM
12:00 PM
11:00 AM
1:00 PM
12:00 PM
2:00 PM
1:00 PM
3:00 PM
2:00 PM
4:00 PM
3:00 PM
5:00 PM
4:00 PM
6:00 PM
5:00 PM
7:00 PM
6:00 PM
8:00 PM
7:00 PM
9:00 PM
8:00 PM
10:00 PM
9:00 PM
11:00 PM
10:00 PM

About Guangzhou and Hanoi

Guangzhou (population: 18.7M) is known for the Canton Fair (world's largest trade fair), manufacturing, and Cantonese cuisine. 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 Guangzhou.

Calling Between Cities

Calling between Guangzhou (+86) and Hanoi (+84) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.

Currency

Guangzhou uses CNY while Hanoi uses VND. Check current exchange rates before making payments or transferring funds between the two cities.

Language

Guangzhou primarily speaks Cantonese and Mandarin, 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 Guangzhou and Hanoi visually, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between Guangzhou and Hanoi?

Hanoi, Vietnam is 1 hour behind Guangzhou, China. Guangzhou is in the Asia/Shanghai timezone (UTC+8) and Hanoi is in the Asia/Bangkok timezone (UTC+7).

When it's noon in Guangzhou, what time is it in Hanoi?

When it's 12:00 PM (noon) in Guangzhou, it's 11:00 AM in Hanoi.

What is the best time to call Hanoi from Guangzhou?

With only a 1-hour difference, you can comfortably call Hanoi anytime during standard business hours (9 AM–6 PM Guangzhou time).

What currency does Hanoi use?

Hanoi, Vietnam uses VND. Guangzhou uses CNY. 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 Guangzhou?

To call Hanoi from Guangzhou, dial your international access code followed by +84 and the local number. Guangzhou uses country code +86 and Hanoi uses +84.

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