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Time zone changes in Tibet are undocumented, but Beijing Time was in use until at least the mid-1950s. Between 1969 and 1986, the time zone was switched repeatedly between Xinjiang Time and Beijing Time. [3] Daylight saving time was observed from 1945 to 1948, and from 1986 to 1991. [3]
The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2025a of the tz database. [2]
If present, a dagger (†) indicates the usage of a nautical time zone letter outside of the standard geographic definition of that time zone. Some zones that are north/south of each other in the mid-Pacific differ by 24 hours in time – they have the same time of day but dates that are one day apart. The two extreme time zones on Earth (both ...
This is a list representing time zones by country. Countries are ranked by total number of time zones on their territory. Time zones of a country include that of dependent territories (except Antarctic claims). France, including its overseas territories, has the most time zones with 12 (13 including its claim in Antarctica and all other counties).
Prefecture-level cities nearly always contain multiple counties (县), county-level cities, and other such sub-divisions. Municipalities and prefecture-level cities are not each a 'city' in the strictest sense of the term, but are, instead, an administrative unit comprising, typically, both the urban core ( a city in the strict sense ) and ...
Time zones of the world. A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time.
This page was last edited on 29 December 2014, at 08:31 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Because of this, prefecture-level cities often overlap in area with county-level cities. Four cities are centrally administered municipalities, which include dense urban areas, suburbs, and large rural areas: Chongqing (32.05 million [3]), Shanghai (24.87 million [3]), Beijing (21.89 million [3]), and Tianjin (13.87 million [3]).