Uses of Class java.util.TimeZone (Java Platform SE 8 )
Date: 2026-04-22

## Uses of Class
java.util.TimeZone

- Packages that use TimeZone
  Package | Description
  --- | ---
  java.text | Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
  java.util | Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
  javax.xml.datatype | XML/Java Type Mappings.

- - ### Uses of TimeZone in java.text

    Methods in java.text that return TimeZone
    Modifier and Type | Method and Description
    --- | ---
    `TimeZone` | DateFormat.`getTimeZone()` Gets the time zone.

    Methods in java.text with parameters of type TimeZone
    Modifier and Type | Method and Description
    --- | ---
    `void` | DateFormat.`setTimeZone(TimeZone zone)` Sets the time zone for the calendar of this `DateFormat` object.

  - ### Uses of TimeZone in java.util

    Subclasses of TimeZone in java.util
    Modifier and Type | Class and Description
    --- | ---
    `class` | `SimpleTimeZone` `SimpleTimeZone` is a concrete subclass of `TimeZone` that represents a time zone for use with a Gregorian calendar.

    Methods in java.util that return TimeZone
    Modifier and Type | Method and Description
    --- | ---
    `static TimeZone` | TimeZone.`getDefault()` Gets the default `TimeZone` of the Java virtual machine.
    `TimeZone` | GregorianCalendar.`getTimeZone()`
    `TimeZone` | Calendar.`getTimeZone()` Gets the time zone.
    `static TimeZone` | TimeZone.`getTimeZone(String ID)` Gets the `TimeZone` for the given ID.
    `static TimeZone` | TimeZone.`getTimeZone(ZoneId zoneId)` Gets the `TimeZone` for the given `zoneId`.

    Methods in java.util with parameters of type TimeZone
    Modifier and Type | Method and Description
    --- | ---
    `static Calendar` | Calendar.`getInstance(TimeZone zone)` Gets a calendar using the specified time zone and default locale.
    `static Calendar` | Calendar.`getInstance(TimeZone zone, Locale aLocale)` Gets a calendar with the specified time zone and locale.
    `boolean` | SimpleTimeZone.`hasSameRules(TimeZone other)` Returns `true` if this zone has the same rules and offset as another zone.
    `boolean` | TimeZone.`hasSameRules(TimeZone other)` Returns true if this zone has the same rule and offset as another zone.
    `static void` | TimeZone.`setDefault(TimeZone zone)` Sets the `TimeZone` that is returned by the `getDefault` method.
    `void` | GregorianCalendar.`setTimeZone(TimeZone zone)`
    `void` | Calendar.`setTimeZone(TimeZone value)` Sets the time zone with the given time zone value.
    `Calendar.Builder` | Calendar.Builder.`setTimeZone(TimeZone zone)` Sets the time zone parameter to the given `zone`.

    Constructors in java.util with parameters of type TimeZone
    Constructor and Description
    `Calendar(TimeZone zone, Locale aLocale)` Constructs a calendar with the specified time zone and locale.
    `GregorianCalendar(TimeZone zone)` Constructs a `GregorianCalendar` based on the current time in the given time zone with the default `FORMAT` locale.
    `GregorianCalendar(TimeZone zone, Locale aLocale)` Constructs a `GregorianCalendar` based on the current time in the given time zone with the given locale.

  - ### Uses of TimeZone in javax.xml.datatype

    Methods in javax.xml.datatype that return TimeZone
    Modifier and Type | Method and Description
    --- | ---
    `abstract TimeZone` | XMLGregorianCalendar.`getTimeZone(int defaultZoneoffset)` Returns a `java.util.TimeZone` for this class.

    Methods in javax.xml.datatype with parameters of type TimeZone
    Modifier and Type | Method and Description
    --- | ---
    `abstract GregorianCalendar` | XMLGregorianCalendar.`toGregorianCalendar(TimeZone timezone, Locale aLocale, XMLGregorianCalendar defaults)` Convert this `XMLGregorianCalendar` along with provided parameters to a `GregorianCalendar` instance.

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