UTC-12: Blue (December), Orange (June), Yellow (all year round), Light Blue - Sea areas
UTC−12 is a nautical time zone comprising the high seas between 180° and 172°30′W longitude. Subtract twelve hours from Coordinated Universal Time to obtain the time for this zone. Ships using this time are the last to begin each calendar day. No human habitations are in this time zone. Uninhabited Baker Island and Howland Island are the only landmasses in this time zone.
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