America/Adak time now

America/Adak time zone at a glance

Time zone

Hawaii-Aleutian Standard Time / Hawaii-Aleutian Daylight Time

UTC offset

UTC−09:00 now (UTC−10:00 standard, UTC−09:00 daylight)

IANA identifier

America/Adak

Abbreviation

HAST / HADT

Daylight saving

In effect now

Next clock change

Nov 1, 2026 at 2:00 AM (back 1 hour)

Daylight saving time in America/Adak

America/Adak observes daylight saving time. Its next change is on Nov 1, 2026 at 2:00 AM, when clocks go back 1 hour (UTC−09:00 to UTC−10:00).

Frequently asked questions

What time zone is America/Adak in?

America/Adak is on Hawaii-Aleutian Standard Time in standard time and Hawaii-Aleutian Daylight Time during daylight saving. Its UTC offset is UTC−09:00 right now (UTC−10:00 in standard time, UTC−09:00 in daylight saving time). The IANA time zone identifier is America/Adak.

What is the time difference between America/Adak and other cities?

Right now America/Adak is 9 hours behind London, 4 hours behind New York, 17 hours behind Singapore, 9 hours behind UTC. These gaps change when daylight saving starts or ends in either place.

Does America/Adak observe daylight saving time?

America/Adak observes daylight saving time. Its next change is on Nov 1, 2026 at 2:00 AM, when clocks go back 1 hour (UTC−09:00 to UTC−10:00).

What are 9 AM to 5 PM business hours in America/Adak in other time zones?

A 9:00 AM to 5:00 PM working day in America/Adak is 6:00 PM to 2:00 AM the next day in London and 2:00 PM to 10:00 PM in New York, at the current offsets.

Which other places use America/Adak time?

Cities on the same time zone include Adak.