This page provides the exact current time in Hawaii-Aleutian Daylight Time (HADT) and Hawaii-Aleutian Standard Time (HAST). The live interactive clock above updates automatically every second to give you the most accurate local time for the region, automatically adjusting for daylight saving changes where applicable.
What is Hawaii-Aleutian Daylight Time (HADT)?
Hawaii-Aleutian Daylight Time (HADT) is 9 hours behind Coordinated Universal Time (UTC-09:00). It is observed during the warmer months (typically from mid-March to early November) specifically in the Aleutian Islands of Alaska (such as Adak).
Important Note: The state of Hawaii does not observe Daylight Saving Time. Hawaii remains on Hawaii-Aleutian Standard Time (HST / HAST) at UTC-10:00 continuously throughout the entire year. HADT is solely utilized by the Aleutian Islands portion of this time zone during the daylight saving period.
Frequently Asked Questions
What is the time in HADT right now?
The precise current time is displayed on the live digital and analog clock at the top of this page. It operates in real-time and will automatically reflect HADT (UTC-9) or HAST (UTC-10) depending on the active season in the Aleutian Islands.
Does Hawaii use HADT?
No. The state of Hawaii opted out of the Uniform Time Act and does not observe Daylight Saving Time. HADT is only observed by communities in the Aleutian Islands west of 169° 30′ W longitude.
What does HADT stand for?
HADT stands for Hawaii-Aleutian Daylight Time. During the winter months, when daylight saving ends, the region returns to HAST (Hawaii-Aleutian Standard Time).