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Houston to Hanoi time
Use TimeInOne to convert any local time in Houston, United States to the corresponding time in Hanoi, Vietnam.
The conversion uses America/Chicago and Asia/Bangkok, including date-specific seasonal clock changes.
City Time Converter
Houston to Hanoi Time Converter
Convert Houston, United States time to Hanoi, Vietnam. Compare local times, working hours and recommended meeting slots.
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Locations
About Houston and Hanoi
Compare location details, time zones, populations and coordinates for both cities.
City information
Houston
United States
- Country
- United States
- US
- Population
- 2,314,157
- Time zone
- America/Chicago
- Coordinates
- 29.7633° N
- 95.3633° W
City information
Hanoi
Vietnam
- Country
- Vietnam
- VN
- Population
- 8,053,663
- Time zone
- Asia/Bangkok
- Coordinates
- 21.0245° N
- 105.8412° E
Need the reverse conversion?
Convert Hanoi time back to Houston.
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FAQ
Houston to Hanoi time FAQ
Common questions about the time difference, daylight-saving rules and meeting hours between Houston and Hanoi.
What is the time difference between Houston and Hanoi?
Hanoi is 12 hours ahead of Houston. The exact difference can change during the year when one location changes its clocks before the other.
Is Hanoi ahead of Houston?
Yes. Hanoi is currently 12 hours ahead of Houston.
What time is 9:00 AM in Houston in Hanoi?
When it is 9:00 AM in Houston, it is 9:00:00 PM in Hanoi on the current reference date. The result can differ during another part of the year because of daylight-saving changes.
Do Houston and Hanoi observe daylight saving time?
Houston, United States uses seasonal daylight-saving changes in its time-zone rules. Hanoi, Vietnam does not normally use a seasonal daylight-saving offset. TimeInOne uses the IANA zones America/Chicago and Asia/Bangkok for date-specific conversions.
What is the best meeting time between Houston and Hanoi?
There is no strict 9:00 AM to 6:00 PM overlap during the next 72 hours. TimeInOne recommends 7:00 AM in Houston and 7:00 PM in Hanoi, on Mon, Aug 17, as the best reasonable compromise. This is classified as “Early local time” in Houston and “Late local time” in Hanoi.