Time Difference: Hanoi vs Honolulu
Honolulu is 17 hours behind Hanoi.
Quick Reference
- Hanoi
- ICT (GMT+7)
No Daylight Saving Time
- Honolulu
- HST (GMT-10)
No Daylight Saving Time
Frequently Asked Questions
- What is the time difference between Hanoi and Honolulu?
- Honolulu is 17 hours behind Hanoi.
- When is the best time to call from Hanoi to Honolulu?
- The best time to call is during overlapping business hours (9 AM – 5 PM) in both cities. Use the interactive converter on this page to visually compare hours side by side.
- Does the time difference change with daylight saving time?
- The time difference may change when either city enters or exits daylight saving time. Hanoi uses ICT and Honolulu uses HST.