Time Difference: Honolulu vs Singapore

Singapore is 18 hours ahead of Honolulu.

Quick Reference

Honolulu
HST (GMT-10)

No Daylight Saving Time

Singapore
SGT (GMT+8)

No Daylight Saving Time

Frequently Asked Questions

What is the time difference between Honolulu and Singapore?
Singapore is 18 hours ahead of Honolulu.
When is the best time to call from Honolulu to Singapore?
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 Singapore uses SGT.
Time Difference: Honolulu vs Singapore — 18 Hours | Timezone App