HST: Hawaii Standard Time
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HST: Hawaii Standard Time
HST stands for Hawaii Standard Time, used in Hawaii, United States. It runs UTC-10, with no clock changes recorded for 2026under current rules.
Current HST time
Local times come from your browser's IANA time zone data.
HST time compared with UTC
HST runs UTC-10 throughout 2026 under current rules. When it is 12:00 UTC the clock in HST reads 02:00.
These examples use January 15 and July 15, 2026. Where clocks change, other dates can use a different offset. Use the live converter for your exact date.
| UTC | HST |
|---|---|
| 00:00 | 14:00 previous day |
| 03:00 | 17:00 previous day |
| 06:00 | 20:00 previous day |
| 09:00 | 23:00 previous day |
| 12:00 | 02:00 |
| 15:00 | 05:00 |
| 18:00 | 08:00 |
| 21:00 | 11:00 |
When the clocks change in the HST zone
No clock changes are recorded for the HST zone in 2026 or 2027 under the time zone rules used for this build. The listed zones keep their UTC offsets during these years. Governments can revise these rules; future dates are projections.
Convert HST to another zone
HST to PSTHST to MSTHST to CSTHST to ESTHST to GMTHST to UTCHST to BSTHST to CET
Common questions about HST
What does HST stand for?
HST is Hawaii Standard Time, the civil time used in Hawaii, United States. On this site it resolves to the IANA time zone HST: Hawaii Standard Time, which is what your operating system and browser use to work out the actual offset on any given date.
What is HST in UTC?
HST is UTC-10 throughout 2026 under current rules. The table above shows UTC conversions.