HST: Hawaii Standard Time
HST stands for Hawaii Standard Time. It's UTC−10.
Honolulu is on HST right now.
Places that use HST
- Honolulu HST
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HST in other time zones now
Questions
What does HST stand for?
HST stands for Hawaii Standard Time. It's UTC−10. Honolulu is on HST right now.
Updated Sunday 11 October 2026