Time Difference Between Vietnam and United States
As of 31 August 2026, United States is 11 hours behind Vietnam. That number is not constant. Over the course of a year, because of daylight saving changes, New York, United States ranges from 12 hours behind to 11 hours behind relative to Ho Chi Minh City, Vietnam. The calculator below is always up to date.
Tap either box to search any country or city.
Ho Chi Minh City, Vietnam
05:34
Tue, Sep 1, 2026
UTC+7 · Asia/Ho_Chi_Minh
New York, United States
-11h18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
United States is 11 hours behind Vietnam.
When it is 05:34 in Vietnam, it is already the previous day in United States.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Vietnam | Tuesday, September 1, 2026 | Asia/Ho_Chi_Minh | UTC+7 | Not observed |
| United States | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
United States: The United States spans six main time zones. This page uses Eastern Time; Pacific Time is 3 hours behind it.
Hour by hour: Vietnam to United States
Every hour of today in Vietnam and what it is in United States. Highlighted rows fall inside United States working hours (09:00–18:00).
| Vietnam | United States |
|---|---|
| 00:00 | 13:00prev day |
| 01:00 | 14:00prev day |
| 02:00 | 15:00prev day |
| 03:00 | 16:00prev day |
| 04:00 | 17:00prev day |
| 05:00 | 18:00prev day |
| 06:00 | 19:00prev day |
| 07:00 | 20:00prev day |
| 08:00 | 21:00prev day |
| 09:00 | 22:00prev day |
| 10:00 | 23:00prev day |
| 11:00 | 00:00 |
| Vietnam | United States |
|---|---|
| 12:00 | 01:00 |
| 13:00 | 02:00 |
| 14:00 | 03:00 |
| 15:00 | 04:00 |
| 16:00 | 05:00 |
| 17:00 | 06:00 |
| 18:00 | 07:00 |
| 19:00 | 08:00 |
| 20:00 | 09:00 |
| 21:00 | 10:00 |
| 22:00 | 11:00 |
| 23:00 | 12:00 |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in Vietnam and United States never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
19:00–21:00 in Vietnam (08:00–10:00 in United States)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
United States puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-4 to UTC-5. After that date, United States is 12 hours behind Vietnam — instead of 11 hours behind, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Vietnam and United States: common questions
What is the time difference between Vietnam and United States?
As of 31 August 2026, United States is 11 hours behind Vietnam. The gap is not fixed: across the year, United States ranges from 12 hours behind to 11 hours behind relative to Vietnam, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Vietnam, what time is it in United States?
It is 10:00 PM in New York, United States. Use the time field in the calculator above to check any other hour.
Is United States ahead of or behind Vietnam?
United States is behind Vietnam by 11 hours at the moment. In practical terms, the working day in United States starts and ends later in Vietnam terms.
Do Vietnam and United States observe daylight saving time?
United States changes its clocks twice a year; Vietnam does not. The difference therefore shifts by an hour when United States switches: across the year, United States ranges from 12 hours behind to 11 hours behind relative to Vietnam.
What is the best time to call United States from Vietnam?
Standard working hours in Vietnam and United States do not overlap at all, so one side has to take the call outside office hours. Early morning in Vietnam or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for Ho Chi Minh City, Vietnam (UTC+7) and New York, United States (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.