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TimeZone class methods in Java

java.util.TimeZone

TimeZone represents a time zone offset, and also figures out daylight savings.

Some methods of TimeZone class.


clone(): This method creates a copy of this TimeZone.


Constants: Some constants TimeZone.LONG, TimeZone.SHORT


getAvailableIDs(): This method gets all the available IDs supported.


TimeZone.getAvailableIDs(int): This method gets the available IDs according to the given time zone offset in milliseconds.


TimeZone.getDefault(): This method gets the default TimeZone of the Java virtual machine.


getDisplayName(): This method returns a long standard time name of this TimeZone suitable for presentation to the user in the default locale.


getDisplayName(Locale): his method returns a long standard time name of this TimeZone suitable for presentation to the user in the specified locale.


getDisplayName(boolean, int): This method returns a name in the specified style of this TimeZone suitable for presentation to the user in the default locale.


getDisplayName(boolean, int, Locale): This method returns a name in the specified style of this TimeZone suitable for presentation to the user in the specified locale.


getDSTSavings(): This method returns the amount of time to be added to local standard time to get local wall clock time.


getID(): This method gets the ID of this time zone.


getOffset(long): This method returns the offset of this time zone from UTC at the specified date.


getOffset(int, int, int, int, int, int): This method gets the time zone offset, for the current date, modified in case of daylight savings.


getRawOffset(): This method returns the amount of time in milliseconds to add to UTC to get standard time in this time zone.


TimeZone.getTimeZone(String): This method gets the TimeZone for the given ID.


TimeZone.getTimeZone(ZoneId): This method gets the TimeZone for the given zoneId.


hasSameRules(TimeZone): This method returns true if this zone has the same rule and offset as another zone.


inDaylightTime(Date): This method queries if the given date is in Daylight Saving Time in this time zone.


observesDaylightTime(): This method returns true if this TimeZone is currently in Daylight Saving Time, or if a transition from Standard Time to Daylight Saving Time occurs at any future time.


TimeZone.setDefault(TimeZone): This method sets the TimeZone that is returned by the getDefaultmethod. the zone is cached.


setID(String): This method sets the time zone ID.


setRawOffset(int): This method sets the base time zone offset to GMT. 


toZoneId(): This method converts this TimeZone object to a ZoneId.


useDaylightTime(): This method queries if this TimeZone uses Daylight Saving Time.


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