Honolulu

Pacific • Honolulu

United States

Current local time

18:58:32

Saturday, May 30, 2026

UTC offset

UTC-10:00

No daylight saving changes

Honolulu does not observe daylight saving time. Clocks stay on UTC-10:00 all year long.

Timezone details

Identifier
Abbreviation
—
Transitioned
June 8, 1947 at 02:30 AM

Location

Latitude
21.30694
Longitude
-157.85833
Country
United States

Hawaii-Aleutian Standard Time (HST)

FAQs

Hawaii-Aleutian Time stretches across remote volcanic islands in the Pacific, blending Hawaiian island life with the rugged, windswept Aleutian chain off Alaska. It's a region where the clock itself seems split—Daylight Saving Time runs on Adak but not in Honolulu—making it one of the most rhythmically unique time patterns in the United States.

  • Why does only part of Hawaii-Aleutian Time observe Daylight Saving Time?

    Adak, in the Aleutian Islands of Alaska, follows DST along with most of the continental US, while Honolulu in Hawaii opts out. This split means the two zones that share the same base code live an hour apart for nearly half the year.

  • Is Hawaii-Aleutian Standard Time the same as Hawaii Standard Time?

    Mostly, yes—Honolulu operates on HST year-round, which is UTC-10:00. However, during the DST months, Adak shifts to Aleutian Daylight Time (HDT), which is UTC-09:00, creating a one-hour difference between the two areas.

  • What is the westernmost time zone in the United States?

    Adak, in the Aleutian Islands, is the westernmost inhabited US city and operates on HDT during DST and HST otherwise. This makes it one of the last places on Earth to see the New Year.

  • How does living in Hawaii-Aleutian Time affect daily life?

    Residents often interact with both Hawaiian culture and Alaskan frontier spirit, depending on where they are. Communication with the mainland US can be tricky, as the time difference shifts with DST, requiring extra awareness for scheduling.

  • Why is Aleutian Daylight Time (HDT) one of the rarest time zone abbreviations?

    HDT is only used in a tiny portion of the Aleutian Islands, making it one of the least commonly referenced time zone codes. Most world clocks and apps don't even display it as an option.

  • How do people on Adak adjust when DST ends?

    On November 1, 2026, clocks on Adak will fall back from HDT (UTC-09:00) to HST (UTC-10:00), aligning with Honolulu for the winter months until DST begins again in March.

  • Is there a big difference in sunrise and sunset times across this region?

    Yes—due to the vast longitudinal spread from Hawaii to Adak, sunrise and sunset times vary significantly, with Adak experiencing much longer summer days. During DST, Adak’s daylight hours can feel almost endless, closer to the Alaskan feel than Hawaiian tropics.