Yankee Time Zone – Y Time Zone

Map showing the areas covered by the timezone — Areas with same time currently UTC -12

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Yankee Time Zone (Y) is 12 hours behind Coordinated Universal Time (UTC). This time zone is a military time zone.

Where and When is Y Observed?

Yankee Time Zone is often used in aviation and the military as another name for UTC -12. Yankee Time Zone is also commonly used at sea between longitudes 172.5° East and 172.5° West.
The letter Y may be used as a suffix to denote a time being in the Yankee Time Zone, such as 08:00Y or 0800Y. This is spoken as "zero eight hundred Yankee".

Some places with the same time as Yankee Time Zone

Baker Island, US Minor Outlying Islands
Howland Island, US Minor Outlying Islands

Other Time Zones in UTC -12

Some time zones exist that have the same offset as Y, but can be found under a different name:

AoE - Anywhere on Earth