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The timezone database provides various timezone information for use by calendaring and clock applications.

  • Database of time zone information based on the Olson timezone database:
    • Language localized descriptive names for timezones
    • Latitude and longitude of the main city in a given timezone
    • Number of subtypes (e.g., standard time and daylight savings time)
    • Offsets from UTC for each subtype
    • Timezone transition times (e.g., when daylight savings begins and ends)