Time difference
Hanoi to San Francisco Time Difference
San Francisco is 14 hours behind Hanoi — when it's 12:00 PM in Hanoi, it's 10:00 PM the previous day in San Francisco. (Hanoi (Asia/Ho_Chi_Minh, GMT+7); San Francisco (America/Los_Angeles, PDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
San Francisco is 14 hours behind Hanoi. Standard 9 AM–5 PM business hours in Hanoi and San Francisco do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between Hanoi and San Francisco — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Hanoi, it's 7:00 PM the previous day in San Francisco.
- When it's 9:00 AM in San Francisco, it's 11:00 PM in Hanoi.
San Francisco is currently 14 hours behind Hanoi.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in Hanoi and San Francisco 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 San Francisco.
Quick conversion table
| Hanoi | San Francisco |
|---|---|
| 12 AM | 10:00 AM (prev day) |
| 1 AM | 11:00 AM (prev day) |
| 2 AM | 12:00 PM (prev day) |
| 3 AM | 1:00 PM (prev day) |
| 4 AM | 2:00 PM (prev day) |
| 5 AM | 3:00 PM (prev day) |
| 6 AM | 4:00 PM (prev day) |
| 7 AM | 5:00 PM (prev day) |
| 8 AM | 6:00 PM (prev day) |
| 9 AM | 7:00 PM (prev day) |
| 10 AM | 8:00 PM (prev day) |
| 11 AM | 9:00 PM (prev day) |
| 12 PM | 10:00 PM (prev day) |
| 1 PM | 11:00 PM (prev day) |
| 2 PM | 12:00 AM |
| 3 PM | 1:00 AM |
| 4 PM | 2:00 AM |
| 5 PM | 3:00 AM |
| 6 PM | 4:00 AM |
| 7 PM | 5:00 AM |
| 8 PM | 6:00 AM |
| 9 PM | 7:00 AM |
| 10 PM | 8:00 AM |
| 11 PM | 9:00 AM |
Daylight saving
On November 1, 2026, San Francisco shifts for daylight saving. After that, San Francisco will be 15 hours behind Hanoi (currently 14 hours behind Hanoi). The converter and the tables above always reflect the correct offset for the date you pick.
- Hanoi does not observe daylight saving time.
- San Francisco is currently observing daylight saving time.
Frequently asked questions
- Is San Francisco ahead of or behind Hanoi?
- San Francisco is 14 hours behind Hanoi.
- How many hours behind Hanoi is San Francisco?
- San Francisco is 14 hours behind Hanoi.
- What time is 9 AM in Hanoi in San Francisco?
- 9:00 AM in Hanoi is 7:00 PM the previous day in San Francisco.
- What time is noon in Hanoi in San Francisco?
- 12:00 PM in Hanoi is 10:00 PM the previous day in San Francisco.
- What time is 5 PM in Hanoi in San Francisco?
- 5:00 PM in Hanoi is 3:00 AM in San Francisco. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Hanoi in San Francisco?
- 3:00 PM in Hanoi is 1:00 AM in San Francisco.
- Is Hanoi currently observing daylight saving time?
- Hanoi does not observe daylight saving time — its UTC offset stays the same all year.
- Is San Francisco currently observing daylight saving time?
- San Francisco is currently observing daylight saving time (summer time).
- Do Hanoi and San Francisco observe daylight saving?
- On November 1, 2026, San Francisco shifts for daylight saving. After that, San Francisco will be 15 hours behind Hanoi (currently 14 hours behind Hanoi). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call San Francisco from Hanoi?
- Hanoi and San Francisco business hours don't overlap. The closest options are early mornings in Hanoi or late evenings, when one side stretches outside 9–5.
- When is the best time to call Hanoi from San Francisco?
- San Francisco and Hanoi business hours don't overlap. The closest options are early mornings in San Francisco or late evenings, when one side stretches outside 9–5.
- Hanoi (GMT+7) to San Francisco (PDT) — how do I convert quickly?
- Subtract 14 hours from Hanoi local time to get San Francisco local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Hanoi to New York
- Hanoi to London
- Hanoi to Tokyo
- Dubai to Hanoi
- Hanoi to Singapore
- Hanoi to Los Angeles
- Hanoi to Sydney
- Hanoi to Paris
- Hanoi to Mumbai
- Hanoi to Hong Kong