America/Phoenix: Arizona, less the Navajo lands.America/Nome: rest of Alaska, west of 162°.America/Anchrorage: rest of Alaska, east of 162°.America/Metlakatla: the Metlakatla reservation, understood to cover the whole of Annette island, as well as a few nearby islands.America/Sitka: Wrangell-Petersburg Census Area, Sitka City and Borough, Ketchikan Gateway Borough, an unidentified area at the south of Ketchikan, bordering Canada, Prince of Wales-Outer Ketchikan Census Area less Metlakatla.America/Juneau: Skagway-Hoonah-Angoon Census Area, Juneau City and Borough, Haines Borough. America/Yakutat: Yakutat City and Borough.America/Adak: Alaska, with timeznp020.symbol = HA.For example, the boundary between America/Los_Angeles and America/Denver follows the Nevada/Utah border in practice and by law since 1999, the city of West Wendover, Nevada, is part of America/Denver.Įxcept for the areas described below, the TZ timezone is determined from the legal timezone as follows: We do not attempt to record the boundaries at that level of detail. In general, towns on or near the boundary of a zone may practically follow the time of a neighboring zone. In the map, it is made of Jefferson county. TZ mentions that America/Kentucky/Louisville contains threeĬounties of Indiana and part of Kentucky, but does not describe precisely that part of Kentucky. The geometries are entirely derived from the countyp020p and timeznp020 shapefiles provided by the National Atlas.Īll the TZ timezones of United States listed in TZ’s zone.tab are represented, except for America/Shiprock which is included in America/Denver. The tz_us shapefile ( zip, sha1) captures the boundaries of the TZ timezones of the United States. A map of the TZ timezones of the US tz_us, an /tz map A shapefile of the TZ timezones of the United States This map is no longer maintained.
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