Ho Chi Minh City to IST time conversion
IST is 1 hour 30 minutes behind Ho Chi Minh City.
Time difference with your location
Ho Chi Minh City is 7 hours ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in Ho Chi Minh City to convert it to IST on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · Ho Chi Minh City → IST
This table converts each hour in Ho Chi Minh City to IST on 2026-10-21.
- Working hours
- Outside working hours
- Night hours
| Ho Chi Minh City | IST | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 22:3010:30 PM -1 day | |
| 01:001:00 AM | 23:3011:30 PM -1 day | |
| 02:002:00 AM | 00:3012:30 AM | |
| 03:003:00 AM | 01:301:30 AM | |
| 04:004:00 AM | 02:302:30 AM | |
| 05:005:00 AM | 03:303:30 AM | |
| 06:006:00 AM | 04:304:30 AM | |
| 07:007:00 AM | 05:305:30 AM | |
| 08:008:00 AM | 06:306:30 AM | |
| 09:009:00 AM | 07:307:30 AM | |
| 10:0010:00 AM | 08:308:30 AM | ✓ |
| 11:0011:00 AM | 09:309:30 AM | ✓ |
| 12:0012:00 PM | 10:3010:30 AM | ✓ |
| 13:001:00 PM | 11:3011:30 AM | ✓ |
| 14:002:00 PM | 12:3012:30 PM | ✓ |
| 15:003:00 PM | 13:301:30 PM | ✓ |
| 16:004:00 PM | 14:302:30 PM | ✓ |
| 17:005:00 PM | 15:303:30 PM | ✓ |
| 18:006:00 PM | 16:304:30 PM | |
| 19:007:00 PM | 17:305:30 PM | |
| 20:008:00 PM | 18:306:30 PM | |
| 21:009:00 PM | 19:307:30 PM | |
| 22:0010:00 PM | 20:308:30 PM | |
| 23:0011:00 PM | 21:309:30 PM |
Quick conversion examples
These examples use Ho Chi Minh City (UTC+7) and IST (UTC+5:30); choosing a date applies the local clock changes.
Conversion formula: IST = Ho Chi Minh City − 1h30.
| Ho Chi Minh City | IST |
|---|---|
| 6:00 AM Ho Chi Minh City | = 4:30 AM IST |
| 7:00 AM Ho Chi Minh City | = 5:30 AM IST |
| 8:00 AM Ho Chi Minh City | = 6:30 AM IST |
| 9:00 AM Ho Chi Minh City | = 7:30 AM IST |
| 10:00 AM Ho Chi Minh City | = 8:30 AM IST |
| 12:00 PM Ho Chi Minh City | = 10:30 AM IST |
| 3:00 PM Ho Chi Minh City | = 1:30 PM IST |
| 5:00 PM Ho Chi Minh City | = 3:30 PM IST |
| 6:00 PM Ho Chi Minh City | = 4:30 PM IST |
| 8:00 PM Ho Chi Minh City | = 6:30 PM IST |
Overlapping meeting hours
The 08:00–18:00 working day in Ho Chi Minh City and IST overlaps for 8 hours 30 minutes on 2026-10-21.
- Shared working hours
- 09:30–18:00 Ho Chi Minh City · 08:00–16:30 IST
Clock changes on both sides, 2026–2028
Ho Chi Minh City and IST have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | Ho Chi Minh City | IST |
|---|---|---|
| 2026 | No clock changes; UTC+7 all year. | No clock changes; UTC+5:30 all year. |
| 2027 | No clock changes; UTC+7 all year. | No clock changes; UTC+5:30 all year. |
| 2028 | No clock changes; UTC+7 all year. | No clock changes; UTC+5:30 all year. |
The difference between Ho Chi Minh City and IST stays constant throughout 2026–2028: IST is 1 hour 30 minutes behind Ho Chi Minh City.
Frequently asked questions
What time is 9 AM Ho Chi Minh City in IST?
9:00 AM Ho Chi Minh City = 7:30 AM IST, using UTC+7 and UTC+5:30. Choose a date above for the seasonal local time.
Does the time difference between Ho Chi Minh City and IST change during the year?
No. Throughout 2026–2028: IST is 1 hour 30 minutes behind Ho Chi Minh City.
How do I tell whether it is day or night in IST?
Read the IST clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between Ho Chi Minh City and IST?
The shared 08:00–18:00 working window is 09:30–18:00 Ho Chi Minh City / 08:00–16:30 IST, a total of 8 hours 30 minutes.
What is the time difference between Ho Chi Minh City and IST now?
Right now, IST is 1 hour 30 minutes behind Ho Chi Minh City. Conversion formula: IST = Ho Chi Minh City − 1h30.