Initializes a time zone with a given identifier and time zone data.


init?(name tzName: String, data aData: Data?)



The identifier for the time zone. Providing nil for this parameter raises an invalid argument exception.


This parameter is ignored.


As of macOS 10.6, the underlying implementation of this method has been changed to ignore the specified data parameter.

See Also

Creating Time Zones

init?(name: String)

Returns a time zone initialized with a given identifier.

init?(abbreviation: String)

Returns the time zone object identified by a given abbreviation.

init(forSecondsFromGMT: Int)

Returns a time zone object offset from Greenwich Mean Time by a given number of seconds.

class var knownTimeZoneNames: [String]

Returns an array of strings listing the IDs of all the time zones known to the system.

class var abbreviationDictionary: [String : String]

Returns a dictionary holding the mappings of time zone abbreviations to time zone names.