In which country is the US/Aleutian timezone located?

The timezone US/Aleutian is mainly used in U.S. .

What is the IANA identifier for this region?

The official IANA identifier is US/Aleutian . This code is used for time calculation in all common operating systems (Linux, Windows, macOS).

What is the time difference of US/Aleutian to UTC?

The current time difference for US/Aleutian is exactly UTC-09:00 .

Timezone

US/Aleutian

UTC -09:00 HDT DST on

04:36:18

Tuesday, April 21, 2026 at 4:36:18 AM

Wk 17

Day 111/365

Unix 1776778578

Day progress

since 00:00 04:36:18 until 24:00 19:23:42

Current time in US/Aleutian

The details for US/Aleutian are as follows. Also available via the API in JSON or plain text.

Local Time

Current Local Date/Time (ISO8601): 2026-04-21T04:36:18-0900
RFC 3339: 2026-04-21T04:36:18-09:00
RFC 2822: Tue, 21 Apr 2026 04:36:18 -0900
Ordinal Day of the Week: 2
Ordinal Day of the Year: 111
Ordinal Week Number: 17
ISO week date: 2026-W17-2
Quarter: 2
Epoch (milliseconds): 1776778578961

Timezone Details

Timezone: US/Aleutian
Timezone Abbreviation: HDT
ISO-3166-2: US
Country Name: U.S.
Other time zones using the abbreviation HDT: America/Adak and America/Atka

UTC

Current UTC Date/Time: 2026-04-21T13:36:18+0000
Local Time's UTC offset: -09:00
Display UTC offset: UTC-09:00
Local Time's UTC offset, in seconds: -32400
Unixtime: 1776778578

Daylight Saving Time (DST)

Current status: Standard Time (winter)
Last change: 2026-03-08 03:00:00 (Offset -36000 → -32400)
Next change: 2026-11-01 01:00:00 (Offset -32400 → -36000)
Current offset: UTC-09:00

Calendar and time metadata

Leap year: false
Next leap year: 2028
Days in year: 365

{
    "abbreviation": "HDT",
    "datetime": "2026-04-21T04:36:18-0900",
    "day_of_week": 2,
    "day_of_year": 111,
    "week_number": 17,
    "iso_week_date": "2026-W17-2",
    "quarter": 2,
    "epoch_ms": 1776778578961,
    "has_dst": true,
    "is_dst": true,
    "dst_last": "2026-03-08 03:00:00",
    "dst_last_local": "2026-03-08T03:00:00-09:00",
    "dst_last_utc": "2026-03-08T12:00:00Z",
    "dst_next": "2026-11-01 01:00:00",
    "dst_next_local": "2026-11-01T01:00:00-10:00",
    "dst_next_utc": "2026-11-01T11:00:00Z",
    "dst_offset": -32400,
    "dst_from": "2026-03-08T12:00:00.000000+00:00",
    "dst_until": "2026-11-01T11:00:00.000000+00:00",
    "raw_offset": -32400,
    "timezone": "US\/Aleutian",
    "unixtime": 1776778578,
    "utc_datetime": "2026-04-21T13:36:18+0000",
    "utc_offset": "-09:00",
    "display_utc_offset": "UTC-09:00",
    "rfc3339": "2026-04-21T04:36:18-09:00",
    "rfc2822": "Tue, 21 Apr 2026 04:36:18 -0900",
    "is_leap_year": false,
    "next_leap_year": 2028,
    "next_leap_year_including_this_year": 2028,
    "days_in_year": 365
}

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abbreviation: 'HDT'
datetime: '2026-04-21T04:36:18-0900'
day_of_week: 2
day_of_year: 111
week_number: 17
iso_week_date: '2026-W17-2'
quarter: 2
epoch_ms: 1776778578961
has_dst: true
is_dst: true
dst_last: '2026-03-08 03:00:00'
dst_last_local: '2026-03-08T03:00:00-09:00'
dst_last_utc: '2026-03-08T12:00:00Z'
dst_next: '2026-11-01 01:00:00'
dst_next_local: '2026-11-01T01:00:00-10:00'
dst_next_utc: '2026-11-01T11:00:00Z'
dst_offset: -32400
dst_from: '2026-03-08T12:00:00.000000+00:00'
dst_until: '2026-11-01T11:00:00.000000+00:00'
raw_offset: -32400
timezone: 'US/Aleutian'
unixtime: 1776778578
utc_datetime: '2026-04-21T13:36:18+0000'
utc_offset: '-09:00'
display_utc_offset: 'UTC-09:00'
rfc3339: '2026-04-21T04:36:18-09:00'
rfc2822: 'Tue, 21 Apr 2026 04:36:18 -0900'
is_leap_year: false
next_leap_year: 2028
next_leap_year_including_this_year: 2028
days_in_year: 365

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