Please choose the most neutral grammatical form of the city name. The city name will typically be used to indicate a timezone, either in a menu, or in formatting a time.
In a few cases, what is included in the list of cities for translation is actually a country name, such as the following. In those cases, use the name of the country instead.
Timezones may also have a simpler format, depending on the language, such as:
The city name may also be used in formatted times, such as:
City names must be unique. See Country/Region Names for techniques.