Hawaii Time
Live local time in Honolulu and Hawaii (Pacific/Honolulu). Free online tool — no sign-up. Clear formulas and worked examples. Runs locally in your browser.
Trust summary Engine tested · Specification checked · v1.0.1
- Input interpretation
- Enter values to calculate.
- Result
- —
- Model
- Current local date and time in the Pacific/Honolulu time zone (Hawaii Standard Time).
- Scope
- Device clock and OS timezone database are reasonably correct.
- Verification
- Engine tested · Specification checked · v1.0.1
- Named expert review
- Optional · Not performed
- Specification basis
- IANA time zone database — Pacific/Honolulu
- Hawaii Standard Time (HST) = UTC−10:00
- Hawaii: no Daylight Saving Time
Formulas
Core equations used by this calculator.
How to use
Open the live clock
The page shows current date and time for Pacific/Honolulu from your browser.
Refresh if needed
Use Refresh to re-read the clock; the display also updates about once per second.
Plan with a fixed offset
Hawaii stays on HST (UTC−10) all year — only the other city’s DST can change the difference.
Example calculations
Common configurations with formula and result.
Noon UTC
HST = UTC−10
vs Los Angeles in winter
PST = UTC−8
vs Los Angeles in summer
PDT = UTC−7
vs Phoenix
Both fixed
Hawaii vs other U.S. zones
Common values at a glance.
| City / zone | Their offset (winter / summer) | Hawaii relative |
|---|---|---|
| Anchorage (AKST / AKDT) | UTC−9 / UTC−8 | 1 h behind in winter; 2 h behind in summer |
| Los Angeles (PST / PDT) | UTC−8 / UTC−7 | 2 h behind in winter; 3 h behind in summer |
| Phoenix (MST) | UTC−7 | Always 3 hours behind |
| Chicago (CST / CDT) | UTC−6 / UTC−5 | 4 h behind in winter; 5 h behind in summer |
| New York (EST / EDT) | UTC−5 / UTC−4 | 5 h behind in winter; 6 h behind in summer |
| UTC | UTC+0 | Always 10 hours behind |
Hawaii Time specification
Version 1.0.1 · Engine tested
- Engine tested 3 published cases
- Named expert review Not performed
- Calculation version 1.0.1
- Definition
- Honolulu and the State of Hawaii use Hawaii Standard Time (HST, UTC−10:00) on the IANA zone Pacific/Honolulu year-round. Hawaii does not observe Daylight Saving Time.
- What it calculates
- Current local date and time in the Pacific/Honolulu time zone (Hawaii Standard Time).
- Inputs
- None — uses the device clock and the IANA zone Pacific/Honolulu
- Outputs
- Local time (24-hour style from the browser formatter)
- Local calendar date
- Formula
Display = Intl.DateTimeFormat with timeZone Pacific/Honolulu- Assumptions
- Device clock and OS timezone database are reasonably correct.
- Runs locally in the browser; no server round-trip for the clock.
- Units
- Civil local time (hours, minutes, seconds)
- UTC offset HST −10 (fixed)
- Boundary conditions
- No DST transitions — every civil hour occurs once per day
- Difference to DST-observing cities changes when those cities change clocks
- Example
- 12:00 UTC → 02:00 Pacific/Honolulu
- Validation cases
3 published on this page
- UTC 12:00 → 02:00 Pacific/Honolulu
- Same instant as America/Los_Angeles in winter → Hawaii is 2 hours earlier
- Same instant as America/Phoenix → Hawaii is 3 hours earlier
- Specification basis
- IANA time zone database — Pacific/Honolulu
- Hawaii Standard Time (HST) = UTC−10:00
- Hawaii: no Daylight Saving Time
- Calculation version
- 1.0.1
Background
Interpretation and common distinctions.
Current time in Honolulu, Hawaii
This page shows a live local clock for Honolulu and the State of Hawaii, using the IANA zone Pacific/Honolulu. Time is read from your browser with that zone applied — Hawaii Standard Time all year.
Hawaii Standard Time (HST)
| Name | Abbreviation | UTC offset | DST |
|---|---|---|---|
| Hawaii Standard Time | HST | UTC−10 | None |
Hawaii does not observe Daylight Saving Time. When the Lower 48 springs forward, the gap between Hawaii and those cities grows by one hour.
How Hawaii time compares
- Los Angeles: Hawaii is 2 hours behind in winter, 3 hours behind in summer.
- Anchorage: Hawaii is 1 hour behind in winter, 2 hours behind in summer.
- Phoenix: Hawaii is always 3 hours behind.
- Chicago: Hawaii is 4 hours behind in winter, 5 hours behind in summer.
- New York: Hawaii is 5 hours behind in winter, 6 hours behind in summer.
- UTC: Hawaii is always 10 hours behind.
UTC vs GMT
For everyday scheduling, UTC and GMT both mean offset +0. Example: noon UTC is 02:00 in Honolulu.
Related tools
Other calculators in this family: Alaska / Anchorage Time, Los Angeles Time, Phoenix Time, New York Time, UTC Time .
Frequently asked questions
Key distinctions behind the calculation.
What time zone is Honolulu in?
Honolulu uses Hawaii Standard Time (HST). The IANA identifier is Pacific/Honolulu. The offset is UTC−10 all year.
Does Hawaii observe Daylight Saving Time?
No. Hawaii has not used DST since 1945 (wartime) for modern civil purposes; clocks stay on HST year-round.
Is all of Hawaii on the same time?
Yes. The main Hawaiian Islands share Pacific/Honolulu. Some northwestern Hawaiian islands historically used other offsets, but statewide civil time is HST.
How does Hawaii compare to California?
Hawaii is 2 hours behind Pacific Standard Time and 3 hours behind Pacific Daylight Time.
Why use Pacific/Honolulu instead of “HST”?
IANA zone IDs encode the correct fixed offset for computers. This clock uses Pacific/Honolulu so the browser applies UTC−10 with no DST transitions.
What is UTC?
Coordinated Universal Time (UTC) is the global time standard. Hawaii is always UTC−10.