Hawaii Time Zone

HST (UTC-10) · No Daylight Saving Time — clocks never change

HST — Hawaii Standard Time
--:--:--
HST UTC-10HST UTC-10 (DST)

Time Zone Facts

Standard Offset
UTC-10
DST Offset
UTC-10
Standard Abbr
HST
DST Abbr
HST
IANA Identifier
Pacific/Honolulu
DST Schedule
No DST — Hawaii uses HST (UTC-10) year-round

States in HST — Hawaii Time

HawaiiAleutian Islands west of 169°30′W (HAST)

Major Cities in HST

HonoluluHiloKailuaPearl CityMauiKauai

Daylight Saving Time

No DST — Hawaii uses HST (UTC-10) year-round

Clocks spring forward 1 hour at 2:00 AM on the second Sunday in March, changing from HST (UTC-10) to HST (UTC-10).

Clocks fall back 1 hour at 2:00 AM on the first Sunday in November, returning from HST (UTC-10) to HST (UTC-10).

Frequently Asked Questions

What time zone is Hawaii in?
Hawaii uses Hawaii-Aleutian Standard Time (HST), which is UTC-10. Hawaii does not observe Daylight Saving Time, so the offset is always UTC-10 year-round. The IANA identifier is Pacific/Honolulu.
Does Hawaii observe Daylight Saving Time?
No. Hawaii does not observe Daylight Saving Time. HST (Hawaii Standard Time) is always UTC-10, every day of the year. Hawaii is one of only two US states (along with most of Arizona) that does not change its clocks.
What is the time difference between Hawaii and the US mainland?
Hawaii (HST, UTC-10) vs mainland US time zones: Eastern (EST, UTC-5) = 5 hours ahead of Hawaii in winter, 6 hours in summer (EDT). Central (CST, UTC-6) = 4 hours ahead in winter, 5 in summer. Mountain (MST, UTC-7) = 3 hours ahead in winter, 4 in summer (except Arizona which stays 3 hours ahead). Pacific (PST, UTC-8) = 2 hours ahead in winter, 3 in summer (PDT).
What is the time difference between Hawaii and California?
Hawaii (HST, UTC-10) is 2 hours behind California (PST, UTC-8) in winter, and 3 hours behind in summer when California uses PDT (UTC-7). Example: 12:00 PM HST = 2:00 PM PST in winter = 3:00 PM PDT in summer.
What is the time difference between Hawaii and New York?
Hawaii (HST, UTC-10) is 5 hours behind New York (EST, UTC-5) in winter. In summer when New York uses EDT (UTC-4), Hawaii is 6 hours behind. Example: 9:00 AM HST = 2:00 PM EST = 3:00 PM EDT.

Hawaii Time & Related Zones

Pacific Time ZoneAlaska Time ZoneEastern Time ZoneUS Time Zone MapTime in HonoluluTime Converter
Hawaii Time Zone data sourced from IANA Time Zone Database (Pacific/Honolulu). Hawaii does not observe Daylight Saving Time per the Uniform Time Act exemption.