Time Difference from Adak to Major World Cities
Visual offset comparison between Adak and key financial and international communication centers:
Drag the timeline scrubber to compare local hours across both locations:
Sunrise, Sunset and Solar Day Length in Adak
Solar cycle and day length calculated for coordinates 50.8722° lat, -166.5278° lon at an elevation of 183 meters above sea level:
Hawaii-Aleutian Standard Time Timezone Specifications & DST Rules
About the HAST Abbreviation
HAST stands for Hawaii-Aleutian Standard Time. It is observed in United States (North America) at UTC -10:00. Note: During seasonal Daylight Saving Time periods, the abbreviation shifts to HADT (UTC -09:00).
Read full HAST time zone guide, meanings & active territories →
Travel, Infrastructure & Business Essentials for Adak
Essential practical information for international business travelers, digital nomads, and expats visiting Adak:
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Related Cities in the Same Region & Timezone
Major commercial and administrative hubs in neighboring territories sharing direct regional links with Adak:
Historical Adoption & Legal Timekeeping Governance
Discover the current local time in Adak, Alaska, a remote city in the Aleutian Islands. This comprehensive guide provides detailed timezone information for America/Adak, including its DST schedule, UTC offset, and historical context. Adak observes Daylight Saving Time, shifting from HST (-10:00) during standard time to HDT (-09:00) during the summer months. Understanding the time difference is crucial for communication and scheduling with this unique Alaskan community. Adak's location makes it a significant point for maritime and aviation activities, and accurate timekeeping is paramount. This page details the time zone's history, its impact on daily life in Adak, and provides resources for converting Adak time to other global locations. We cover the specifics of when Daylight Saving Time begins and ends each year, ensuring you have the most up-to-date information. Explore the cultural nuances and practical details of timekeeping in this isolated, yet vital, Alaskan outpost. The information provided is accurate for current international scheduling, reflecting the latest updates to the time zone regulations. Adak's time zone is essential for coordinating logistics, research, and communication with the rest of the world.
Historical Background: Officially adopted on 1983-01-01. Adopted with the standardization of time zones in Alaska.
Legal Time Authority:
Regulated by the United States Congress
under official statutory decree Uniform Time Act.
Frequently Asked Questions about Adak Time
What is the current local time and timezone in Adak?
Adak operates on Hawaii-Aleutian Standard Time (abbreviated as HAST). The standard offset is UTC -10:00.
What does HAST timezone stand for?
HAST stands for Hawaii-Aleutian Standard Time. It maintains a standard offset of UTC -10:00 from Coordinated Universal Time (GMT / UTC).
Does Adak change clocks for Daylight Saving Time (DST)?
Yes, Adak observes Daylight Saving Time. Clocks move forward 1 hour in summer to HADT (UTC -09:00) and return to standard time in winter.
What power plug and voltage adapter do I need for Adak?
United States uses plug types A and B with a standard voltage of 120V at 60Hz.
How can I convert time or schedule calls with Adak?
You can use the interactive 24-hour dual-slider converter directly on this page, or visit our Time Difference Tool and Meeting Planner to schedule seamless cross-timezone calls.