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The Info List - UTC−12


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UTC−12:00 is a time offset that subtracts 12 hours from Coordinated Universal Time (UTC). It is the last to celebrate a New Year
New Year
, and it is sometimes referred to as the INTERNATIONAL DATE LINE WEST TIME ZONE (IDLW).

CONTENTS

* 1 As standard time (all year round)

* 1.1 Oceania

* 2 Characteristics of the time zone which observes UTC-12 * 3 See also * 4 References

AS STANDARD TIME (ALL YEAR ROUND)

OCEANIA

* United States
United States

* Baker Island and Howland Island
Howland Island
(uninhabited islands belonging to the United States)

UTC−12
UTC−12
is a nautical time zone comprising the high seas between 180° and 172°30′W longitude, and the time is obtained by subtracting twelve hours from Coordinated Universal Time
Coordinated Universal Time
. Ships using this time are the last to begin each calendar day.

CHARACTERISTICS OF THE TIME ZONE WHICH OBSERVES UTC-12

A number of inhabited islands lie within the longitudinal limits of this time zone, but none of them keeps the date and time of UTC-12. Instead, they keep the time and date (or just the date) of one of the neighbouring zones, usually because they belong, politically, to an island group whose other members lie mostly in the neighbouring time zone.

Since the International Date Line West (IDLW) time-zone represents the last place on Earth
Earth
where any date exists, it is sometimes used for deadlines and referred to as Anywhere on Earth
Earth
(AoE). This means that if the deadline has not passed in the UTC–12 zone, the deadline has not yet passed.

SEE ALSO

* Greenwich Mean Time
Greenwich Mean Time
* Howland and Baker islands * UTC+12:00 * UTC+14:00 , the first time zone to start a new day

REFERENCES

* ^ A B "IEEE 802.16 AOE Deadline Documentation". IEEE 802 LAN/MAN Standards Committee. Retrieved 1 January 2018.

* Flightsim Aviation Zone

* v * t * e

Coordinated Universal Time
Coordinated Universal Time
(UTC)

UTC offset for standard time and Daylight saving time
Daylight saving time
(DST) Italics: historical or unofficial

180° TO < 90°W

* −12:00 * −11:00 * −10:30 * −10:00 * −09:30 * −09:00 * −08:30 * −08:00 * −07:00

90°W TO < 0°

* −06:00 * −05:00 * −04:30 * −04:00 * −03:30 * −03:00 * −02:30 * −02:00 * −01:00 * −00:44 * −00:25:21

0° TO < 90°E

* ±00:00 * +00:20 * +00:30 * +01:00 * +01:24 * +01:30 * +02:00 * +02:30 * +03:00 * +03:30 * +04:00 * +04:30 * +04:51 * +05:00 * +05:30 * +05:40 * +05:45

90°E TO < 180°

* +06:00 * +06:30 * +07:00 * +07:20 * +07:30 * +08:00 * +08:30 * +08:45 * +09:00 * +09:30 * +09:45 * +10:00 * +10:30 * +11:00 * +11:30

(180° TO < 90°W )

* +12:00 * +12:45 * +13:00 * +13:45 * +14:00

TIME ZONE DATA SOURCES tz database

LISTS OF TIME ZONES

* Time zones by country * Time zones by UTC offset * tz database time zones * Military time zones * Time zone
Time zone
abbreviations * Daylight saving time
Daylight saving time
b

.