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Time difference between Seattle and Hanoi

Hanoi is 15 hours ahead of Seattle.

Seattle
United States · Pacific Standard Time
4:46 PM
Wednesday, November 11, 2026
Hanoi
Vietnam · Indochina Time
7:46 AM
Thursday, November 12, 2026
Compare more placesHanoi to Seattle

Seattle to Hanoi time converter

Green rows are office hours in both places; light green rows are when both are awake.

SeattleHanoi
12:00 AM3:00 PM
1:00 AM4:00 PM
2:00 AM5:00 PM
3:00 AM6:00 PM
4:00 AM7:00 PM
5:00 AM8:00 PM
6:00 AM9:00 PM
7:00 AM10:00 PM
8:00 AM11:00 PM
9:00 AM12:00 AM (next day)
10:00 AM1:00 AM (next day)
11:00 AM2:00 AM (next day)
12:00 PM3:00 AM (next day)
1:00 PM4:00 AM (next day)
2:00 PM5:00 AM (next day)
3:00 PM6:00 AM (next day)
4:00 PM7:00 AM (next day)
5:00 PM8:00 AM (next day)
6:00 PM9:00 AM (next day)
7:00 PM10:00 AM (next day)
8:00 PM11:00 AM (next day)
9:00 PM12:00 PM (next day)
10:00 PM1:00 PM (next day)
11:00 PM2:00 PM (next day)

Questions

What is the time difference between Seattle and Hanoi?

Hanoi is 15 hours ahead of Seattle. Seattle is on UTC−8 and Hanoi is on UTC+7.

What time is it in Hanoi when it is 9 AM in Seattle?

When it is 9:00 AM in Seattle, it is 12:00 AM the next day in Hanoi.

When is the best time to call Hanoi from Seattle?

There are no shared office hours. The most comfortable time to call is 5:00 PM–10:00 PM in Seattle (8:00 AM–1:00 PM in Hanoi), when both places are awake.

Which days are working days in both Seattle and Hanoi?

Both Seattle and Hanoi usually work Monday to Friday.

Does the time difference between Seattle and Hanoi change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Hanoi will be 14 hours ahead of Seattle.

Seattle is 15 hours behind Hanoi. More: time in Seattle · time in Hanoi

Time difference from Seattle to other cities

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Time difference from Hanoi