Time difference
Time difference between Hanoi and Washington, D.C.
Find the best time to schedule a call or meeting.
Washington, D.C. is currently 11 hours behind Hanoi.
Hanoi • GMT+7
8:15 PM
Thursday, Jun 18
Washington, D.C. • EDT
9:15 AM
Thursday, Jun 18
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Best times to meet
Standard 9 AM – 5 PM hours in Hanoi and Washington, D.C. do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Hanoi, or a 6–8 PM meeting in Washington, D.C..
Quick conversion table
| Hanoi | Washington, D.C. |
|---|---|
| 8 AM | 9:00 PM (prev day) |
| 12 PM | 1:00 AM |
| 3 PM | 4:00 AM |
| 5 PM | 6:00 AM |
| 9 PM | 10:00 AM |
Daylight saving
Heads up: the gap will widen to 12 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
Frequently asked questions
- How many hours ahead is Washington, D.C. than Hanoi?
- Washington, D.C. is 11 hours behind Hanoi.
- What time is 9 AM in Hanoi in Washington, D.C.?
- 9:00 AM in Hanoi is 10:00 PM the previous day in Washington, D.C..
- Do Hanoi and Washington, D.C. observe daylight saving?
- Heads up: the gap will widen to 12 hours around November 5, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
- When is the best time to call Washington, D.C. from Hanoi?
- Hanoi and Washington, D.C. business hours don't overlap. The closest options are early mornings in Hanoi or late evenings, when one side stretches outside 9–5.