Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Ho Chi Minh to Shanghai

+1h

Ho Chi Minh

ICTSOURCE

Vietnam · UTC+07:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Shanghai

CST

China · UTC+08:00

HH01

MM00

13:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Ho Chi Minh

Shanghai

12:00 AM

1:00 AM

2:00 AM

3:00 AM

4:00 AM

5:00 AM

6:00 AM

7:00 AM

8:00 AM

9:00 AM

10:00 AM

11:00 AM

12:00 PM

1:00 PM

2:00 PM

3:00 PM

4:00 PM

5:00 PM

6:00 PM

7:00 PM

8:00 PM

9:00 PM

10:00 PM

11:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

ICT and CST on the World Map

The map below highlights the ICT (Indochina Time) and CST (China Standard Time) timezone regions across the globe.

ICT Zone

→

CST Zone

Explore all world timezones interactively →

ICT – Indochina Time

UTC+07:00

Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.

Countries in ICT

ThailandVietnamCambodiaLaosIndonesia (WIB)

Major Cities in ICT

BangkokHo Chi Minh CityHanoiJakartaPhnom PenhVientiane

Key Facts about ICT

•Bangkok is one of the most visited cities in the world.
•ICT is 12 hours ahead of EST.
•Thailand, Vietnam, and Cambodia all share ICT.

Daylight Saving:No – UTC+07:00 year-round

Learn more about ICT on Wikipedia

CST – China Standard Time

UTC+08:00

China Standard Time (CST) covers all of mainland China, 8 hours ahead of UTC.

Countries in CST

ChinaHong KongMacauTaiwan

Major Cities in CST

ShanghaiBeijingShenzhenGuangzhouChengduHong KongTaipeiWuhanHangzhouNanjing

Key Facts about CST

•China uses a single time zone despite spanning 5 geographical zones.
•In Xinjiang (western China), sunset can be as late as midnight in summer.
•China abolished daylight saving time in 1991.
•The Shanghai Stock Exchange operates on CST/Beijing Time.

Daylight Saving:No – UTC+08:00 year-round

Learn more about CST on Wikipedia

About Ho Chi Minh

Wikipedia

Ho Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.

Population:9 million

Metro:13 million

Business Hours:8:00 AM - 5:00 PM ICT

Currency:VND (₫)

Stock Exchange:HOSE (Ho Chi Minh Stock Exchange)

Key Landmarks

Notre-Dame CathedralWar Remnants MuseumBen Thanh MarketIndependence PalaceCu Chi Tunnels

Did You Know?

The city has over 5 million motorbikes, outnumbering cars significantly.

Learn more about ICT timezone →

About Shanghai

Wikipedia

Shanghai operates on China Standard Time (CST), UTC+8. As China's economic powerhouse and home to the SSE, Shanghai time is essential for global investors.

Population:24.9 million

Metro:28.5 million

Business Hours:9:00 AM - 6:00 PM CST

Currency:CNY (¥)

Stock Exchange:SSE (Shanghai Stock Exchange)

Key Landmarks

The BundOriental Pearl TowerYu GardenShanghai TowerNanjing Road

Did You Know?

The Maglev train from Shanghai airport reaches 431 km/h, the fastest commercial train in the world.

Learn more about CST timezone →

Ho Chi Minh vs Shanghai: Offsets, DST and Best Call Times

Ho Chi Minh runs on Indochina Time (ICT) at UTC+07:00. Shanghai runs on China Standard Time (CST) at UTC+08:00. That puts Ho Chi Minh 1 hour ahead of Shanghai — a difference of +1h at the current offsets.

In practice, when it is 9:00 AM in Ho Chi Minh it is 10:00 AM in Shanghai. Midnight in Ho Chi Minh is 1:00 AM in Shanghai. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Ho Chi Minh to Shanghai time conversion table

Ho Chi Minh (ICT)	Shanghai (CST)	Day
12:00 AM	1:00 AM	same day
6:00 AM	7:00 AM	same day
7:00 AM	8:00 AM	same day
8:00 AM	9:00 AM	same day
9:00 AM	10:00 AM	same day
12:00 PM	1:00 PM	same day
3:00 PM	4:00 PM	same day
5:00 PM	6:00 PM	same day
6:00 PM	7:00 PM	same day
9:00 PM	10:00 PM	same day

Why people convert Ho Chi Minh to Shanghai time

Scheduling a call from Ho Chi Minh to Shanghai: a 10:00 AM start in Ho Chi Minh lands at 11:00 AM in Shanghai, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Ho Chi Minh and Shanghai are inside the 9-to-5 working day between 9:00 AM and 4:00 PM ICT time (10:00 AM–5:00 PM CST). That is roughly 7 hours of usable overlap.
Booking travel or deliveries: tracking Shanghai local time against Ho Chi Minh keeps pickup windows and arrival estimates honest across the +1h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a +1h gap is not.
Block 9:00 AM–4:00 PM ICT as the recurring meeting window if you work primarily from Ho Chi Minh and need Shanghai colleagues present.

About ICT (Indochina Time)

Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.

About CST (China Standard Time)

China Standard Time (CST, also known as Beijing Time) is used across all of mainland China despite the country spanning five geographical time zones. This single-timezone policy was adopted in 1949. China does not observe daylight saving time. CST is shared with Hong Kong (HKT), Macau, Taiwan, Singapore, Malaysia, and the Philippines, making UTC+08:00 one of the most used offsets in the world.

Best time to call between Ho Chi Minh and Shanghai

Both Ho Chi Minh and Shanghai sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM ICT, which is 10:00 AM–5:00 PM CST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Ho Chi Minh and Shanghai share 7 hours of working-hours overlap (9:00 AM–4:00 PM ICT), so scheduling a live meeting is straightforward.

Ho Chi Minh is 1 hour ahead of Shanghai (ICT UTC+07:00 → CST UTC+08:00). The shared working window is 9:00 AM–4:00 PM ICT. Remember to re-check around daylight-saving transitions.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Ho Chi Minh and Shanghai?

Ho Chi Minh (ICT, UTC+07:00) is 1 hour ahead of Shanghai (CST, UTC+08:00). The gap is currently +1h.

How do I convert Ho Chi Minh time to Shanghai time?

Add +1h to Ho Chi Minh local time. For example, 9:00 AM in Ho Chi Minh is 10:00 AM in Shanghai.

What time is it in Shanghai right now?

Shanghai uses CST at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from Ho Chi Minh.

What is the best time to call Shanghai from Ho Chi Minh?

Call between 9:00 AM and 4:00 PM ICT — that maps to 10:00 AM–5:00 PM CST and keeps both parties inside the working day.

Which is ahead, Ho Chi Minh or Shanghai?

Ho Chi Minh is 1 hour ahead of Shanghai. When it is 12:00 PM in Ho Chi Minh it is 1:00 PM in Shanghai.

Do Ho Chi Minh and Shanghai use different time zones?

Ho Chi Minh (Vietnam) uses ICT at UTC+07:00, while Shanghai (China) uses CST at UTC+08:00. The IANA identifiers are Asia/Ho_Chi_Minh and Asia/Shanghai.

Does daylight saving time affect the Ho Chi Minh–Shanghai difference?

Neither zone observes daylight saving time, so the +1h offset between Ho Chi Minh and Shanghai is fixed all year.

Which other cities share Ho Chi Minh's time zone?

ICT also covers Bangkok, Ho Chi Minh City, Hanoi, Jakarta, Phnom Penh, Vientiane.

Which countries use ICT, Ho Chi Minh's zone?

ICT is used in Thailand, Vietnam, Cambodia, Laos, Indonesia (WIB).

Is there a day difference between Ho Chi Minh and Shanghai?

Not normally. The +1h gap only pushes the date over for late-evening times.

What is the time difference between Ho Chi Minh and Shanghai?

Shanghai is +1h from Ho Chi Minh.

What timezone is Ho Chi Minh in?

Ho Chi Minh City operates on Indochina Time (ICT), UTC+7. As Vietnam's economic powerhouse and a manufacturing hub, Saigon drives Southeast Asian trade.

What timezone is Shanghai in?

Shanghai operates on China Standard Time (CST), UTC+8. As China's economic powerhouse and home to the SSE, Shanghai time is essential for global investors.

What are the business hours in Ho Chi Minh?

Standard business hours in Ho Chi Minh are 8:00 AM - 5:00 PM ICT.

What are the business hours in Shanghai?

Standard business hours in Shanghai are 9:00 AM - 6:00 PM CST.

What is the best time to schedule a call between Ho Chi Minh and Shanghai?

The best overlap for a call is when both cities are in business hours. Ho Chi Minh works 8:00 AM - 5:00 PM ICT and Shanghai works 9:00 AM - 6:00 PM CST (+1h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Ho Chi Minh and Shanghai?

Ho Chi Minh uses VND (₫) while Shanghai uses CNY (¥). Check current exchange rates when planning travel or business between these cities.

How do Ho Chi Minh and Shanghai compare in size?

Ho Chi Minh has a population of approximately 9 million (metro: 13 million), while Shanghai has approximately 24.9 million (metro: 28.5 million).

What are the major landmarks in Ho Chi Minh and Shanghai?

Ho Chi Minh is known for Notre-Dame Cathedral, War Remnants Museum, Ben Thanh Market. Shanghai is famous for The Bund, Oriental Pearl Tower, Yu Garden.

Do Ho Chi Minh and Shanghai have stock exchanges?

Yes. Ho Chi Minh has the HOSE (Ho Chi Minh Stock Exchange) and Shanghai has the SSE (Shanghai Stock Exchange). The +1h time difference affects trading hour overlaps between these exchanges.