Hawaii is one of only two US states that never changes its clocks — but unlike Arizona, which opted out and stayed out, Hawaii actually tried Daylight Saving Time first, decided it wasn't worth it, and has stuck with that decision for nearly six decades.
A brief, unsuccessful experiment in 1933
Hawaii's first attempt at Daylight Saving Time dates back to 1933 — and it lasted all of three weeks before it was repealed. During World War II, Hawaii did follow the rest of the country onto wartime "War Time," similar to DST, as a nationwide measure. But once the war ended and states were left to decide for themselves under later federal law, Hawaii chose not to adopt DST again — a decision it formalized in 1967 and has never revisited since.
Why it doesn't make much sense near the equator
Daylight Saving Time exists to shift an hour of daylight from the early morning (when most people are asleep anyway) to the evening, when it's more useful. That trade-off matters most in places with big seasonal swings in day length — far from the equator, summer days can be many hours longer than winter ones, so shifting the clock meaningfully changes when useful daylight falls.
Hawaii doesn't have that problem. Sitting close to the tropics, its day length barely changes across the year — sunrise and sunset shift by only around two hours between the longest and shortest days, compared to four or more hours in much of the continental US. With so little seasonal variation to work with, shifting the clock forward an hour in summer wouldn't meaningfully change anything — daylight is already fairly evenly distributed year-round.
Hawaii isn't alone in skipping DST
Hawaii's logic isn't unique to Hawaii — it's the same reason most countries near the equator worldwide don't bother with Daylight Saving Time either. India, most of Africa, and much of Southeast Asia skip it for exactly the same reason: close to the equator, day length barely changes across the year, so there's no seasonal daylight imbalance for DST to correct. The countries that do observe DST are almost all in the temperate latitudes, further from the equator, where the swing between summer and winter day length is large enough to be worth adjusting for.
Hawaii-Aleutian Time: one zone, two names
Hawaii sits in the Hawaii-Aleutian Time Zone (UTC-10), which it shares with the western Aleutian Islands in Alaska. Because Hawaii never observes DST, "Hawaii Standard Time" (HST) is really the only version of the name that ever applies in Hawaii itself — there's no separate "daylight" variant to worry about, which actually makes Hawaii one of the simplest places on Earth to schedule around: the offset from any given city is exactly the same in July as it is in January.
What this means for scheduling
- Hawaii is UTC-10 year-round — no seasonal adjustment needed, ever.
- Relative to the US mainland, this means the time difference between Hawaii and, say, New York changes across the year — not because Hawaii moves, but because the mainland does. Hawaii is 5 hours behind Eastern Time in winter, and 6 hours behind in summer once the mainland springs forward.
- The same logic applies to any comparison — Hawaii's gap to a given city will always be one hour different in summer versus winter, purely from the other side changing.
Because that gap shifts depending on the time of year (even though Hawaii itself never changes), it's worth checking the current difference directly rather than assuming it stays fixed — the time zone converter always reflects each location's real current offset, including Hawaii's unchanging one.
Frequently asked questions
Has Hawaii ever observed Daylight Saving Time?
Briefly, twice. Hawaii's first attempt dates to 1933 and lasted about three weeks before it was repealed, and during World War II Hawaii followed the rest of the country onto wartime “War Time.” Since the 1960s it has stayed on standard time permanently and has not revisited the question.
Why doesn't Daylight Saving Time make sense in Hawaii?
DST shifts an hour of daylight from early morning to evening, which matters most where day length swings a lot by season. Hawaii sits close to the tropics — sunrise and sunset move by only around two and a half hours between the longest and shortest days, versus four or more on much of the mainland.
How many hours behind New York is Hawaii?
Five hours in winter and six in summer — but not because Hawaii moves. Hawaii stays at UTC−10 all year. The gap widens each spring purely because the mainland springs forward and Hawaii does not, then closes again when the mainland falls back in November.
What time zone is Hawaii in?
Hawaii sits in the Hawaii–Aleutian Time Zone, UTC−10, which it shares with the western Aleutian Islands of Alaska. Because Hawaii never observes DST, Hawaii Standard Time (HST) is the only version of the name that applies there — though the Aleutian half of the zone does switch to HDT in summer.