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 Mumbai

-1h 30m

Ho Chi Minh

ICTSOURCE

Vietnam · UTC+07:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Mumbai

IST

India · UTC+05:30

HH10

MM30

10:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Ho Chi Minh

Mumbai

12:00 AM

10:30 PM-1

2:00 AM

12:30 AM

4:00 AM

2:30 AM

6:00 AM

4:30 AM

8:00 AM

6:30 AM

10:00 AM

8:30 AM

12:00 PM

10:30 AM

2:00 PM

12:30 PM

4:00 PM

2:30 PM

6:00 PM

4:30 PM

8:00 PM

6:30 PM

10:00 PM

8:30 PM

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

ICT and IST on the World Map

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

ICT Zone

→

IST 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

IST – India Standard Time

UTC+05:30

India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.

Countries in IST

IndiaSri Lanka

Major Cities in IST

MumbaiDelhiBangaloreKolkataChennaiHyderabadPuneAhmedabadColomboJaipurLucknowSurat

Key Facts about IST

•India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
•India uses a single time zone despite spanning 30° of longitude.
•IST is one of only a handful of time zones with a 30-minute offset.
•IST is the most populous single time zone in the world with over 1.4 billion people.
•The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.

Daylight Saving:No – UTC+05:30 year-round

Learn more about IST 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 Mumbai

Wikipedia

Mumbai operates on India Standard Time (IST), UTC+5:30. As India's financial capital and home to BSE (Asia's oldest stock exchange), Mumbai timing is crucial for Asia markets.

Population:12.4 million

Metro:21.3 million

Business Hours:9:30 AM - 5:30 PM IST

Currency:INR (₹)

Stock Exchange:BSE (Bombay Stock Exchange), NSE

Key Landmarks

Gateway of IndiaChhatrapati Shivaji TerminusMarine DriveElephanta CavesHaji Ali Dargah

Did You Know?

The Mumbai local trains carry over 7.5 million passengers daily.

Learn more about IST timezone →

Time Conversion Guide: Ho Chi Minh to Mumbai

Ho Chi Minh runs on Indochina Time (ICT) at UTC+07:00. Mumbai runs on India Standard Time (IST) at UTC+05:30. That puts Ho Chi Minh 1 hour 30 minutes behind Mumbai — a difference of -1h 30m at the current offsets.

In practice, when it is 9:00 AM in Ho Chi Minh it is 7:30 AM in Mumbai. Midnight in Ho Chi Minh is 10:30 PM in Mumbai. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Ho Chi Minh to Mumbai time conversion table

Ho Chi Minh (ICT)	Mumbai (IST)	Day
12:00 AM	10:30 PM	previous day
6:00 AM	4:30 AM	same day
7:00 AM	5:30 AM	same day
8:00 AM	6:30 AM	same day
9:00 AM	7:30 AM	same day
12:00 PM	10:30 AM	same day
3:00 PM	1:30 PM	same day
5:00 PM	3:30 PM	same day
6:00 PM	4:30 PM	same day
9:00 PM	7:30 PM	same day

Why people convert Ho Chi Minh to Mumbai time

Scheduling a call from Ho Chi Minh to Mumbai: a 10:00 AM start in Ho Chi Minh lands at 8:30 AM in Mumbai, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Ho Chi Minh and Mumbai are inside the 9-to-5 working day between 10:30 AM and 5:00 PM ICT time (9:00 AM–3:30 PM IST). That is roughly 6 hours 30 minutes of usable overlap.
Booking travel or deliveries: tracking Mumbai local time against Ho Chi Minh keeps pickup windows and arrival estimates honest across the -1h 30m offset.

Always state the zone abbreviation, not just the hour. "3:00 PM ICT" is unambiguous; "3 PM" across a -1h 30m gap is not.
Block 10:30 AM–5:00 PM ICT as the recurring meeting window if you work primarily from Ho Chi Minh and need Mumbai 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 IST (India Standard Time)

India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.

Best time to call between Ho Chi Minh and Mumbai

Both Ho Chi Minh and Mumbai sit inside the 9 AM – 5 PM working day between 10:30 AM–5:00 PM ICT, which is 9:00 AM–3:30 PM IST. That gives roughly 6 hours and 30 minutes of shared time — the safest window for a live call or meeting.

Business hours overlap

Ho Chi Minh and Mumbai share 6 hours of working-hours overlap (10:30 AM–5:00 PM ICT), so scheduling a live meeting is straightforward.

Ho Chi Minh is 1 hour 30 minutes behind Mumbai (ICT UTC+07:00 → IST UTC+05:30). The shared working window is 10:30 AM–5:00 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 Mumbai?

Ho Chi Minh (ICT, UTC+07:00) is 1 hour 30 minutes behind Mumbai (IST, UTC+05:30). The gap is currently -1h 30m.

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

Add -1h 30m to Ho Chi Minh local time. For example, 9:00 AM in Ho Chi Minh is 7:30 AM in Mumbai.

What time is it in Mumbai right now?

Mumbai uses IST at UTC+05:30. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h 30m offset from Ho Chi Minh.

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

Call between 10:30 AM and 5:00 PM ICT — that maps to 9:00 AM–3:30 PM IST and keeps both parties inside the working day.

Which is behind, Ho Chi Minh or Mumbai?

Ho Chi Minh is 1 hour 30 minutes behind Mumbai. When it is 12:00 PM in Ho Chi Minh it is 10:30 AM in Mumbai.

Do Ho Chi Minh and Mumbai use different time zones?

Ho Chi Minh (Vietnam) uses ICT at UTC+07:00, while Mumbai (India) uses IST at UTC+05:30. The IANA identifiers are Asia/Ho_Chi_Minh and Asia/Kolkata.

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

Neither zone observes daylight saving time, so the -1h 30m offset between Ho Chi Minh and Mumbai 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 Mumbai?

Not normally. The -1h 30m gap only pushes the date over the previous day.

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

Mumbai is -1h 30m 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 Mumbai in?

Mumbai operates on India Standard Time (IST), UTC+5:30. As India's financial capital and home to BSE (Asia's oldest stock exchange), Mumbai timing is crucial for Asia markets.

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 Mumbai?

Standard business hours in Mumbai are 9:30 AM - 5:30 PM IST.

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

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 Mumbai works 9:30 AM - 5:30 PM IST (-1h 30m difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Ho Chi Minh and Mumbai?

Ho Chi Minh uses VND (₫) while Mumbai uses INR (₹). Check current exchange rates when planning travel or business between these cities.

How do Ho Chi Minh and Mumbai compare in size?

Ho Chi Minh has a population of approximately 9 million (metro: 13 million), while Mumbai has approximately 12.4 million (metro: 21.3 million).

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

Ho Chi Minh is known for Notre-Dame Cathedral, War Remnants Museum, Ben Thanh Market. Mumbai is famous for Gateway of India, Chhatrapati Shivaji Terminus, Marine Drive.

Do Ho Chi Minh and Mumbai have stock exchanges?

Yes. Ho Chi Minh has the HOSE (Ho Chi Minh Stock Exchange) and Mumbai has the BSE (Bombay Stock Exchange), NSE. The -1h 30m time difference affects trading hour overlaps between these exchanges.