Time Difference: Honolulu vs London
Honolulu
11:11:54 PM HST
Saturday, October 24, 2026
10h
10h
London
9:11:54 AM GMT
Sunday, October 25, 2026
London is 10 hours ahead of Honolulu.
Quick Reference
- Honolulu
- HST (GMT-10)
No Daylight Saving Time
- London
- GMT (GMT+0)
BST starts on Mar 28, 2027
Frequently Asked Questions
- What is the time difference between Honolulu and London?
- London is 10 hours ahead of Honolulu.
- When is the best time to call from Honolulu to London?
- 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. Honolulu uses HST and London uses GMT.