Time difference
Time difference between Hanoi and San José
Find the best time to schedule a call or meeting.
San José is currently 13 hours behind Hanoi.
Hanoi • GMT+7
8:17 PM
Thursday, Jun 18
San José • CST
7:17 AM
Thursday, Jun 18
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Best times to meet
Standard 9 AM – 5 PM hours in Hanoi and San José 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 José.
Quick conversion table
| Hanoi | San José |
|---|---|
| 8 AM | 7:00 PM (prev day) |
| 12 PM | 11:00 PM (prev day) |
| 3 PM | 2:00 AM |
| 5 PM | 4:00 AM |
| 9 PM | 8:00 AM |
Daylight saving
The time difference between these two cities stays the same over the next six months — neither zone is changing for daylight saving in that window.
Frequently asked questions
- How many hours ahead is San José than Hanoi?
- San José is 13 hours behind Hanoi.
- What time is 9 AM in Hanoi in San José?
- 9:00 AM in Hanoi is 8:00 PM the previous day in San José.
- Do Hanoi and San José observe daylight saving?
- The time difference between these two cities stays the same over the next six months — neither zone is changing for daylight saving in that window.
- When is the best time to call San José from Hanoi?
- Hanoi and San José business hours don't overlap. The closest options are early mornings in Hanoi or late evenings, when one side stretches outside 9–5.