Get the GType of TimeZone
A version of g_time_zone_new_identifier() which returns the UTC time zone if @identifier could not be parsed or loaded.
Creates a #GTimeZone corresponding to @identifier. If @identifier cannot be parsed or loaded, null is returned.
Creates a #GTimeZone corresponding to local time. The local time zone may change between invocations to this function; for example, if the system administrator changes it.
Creates a #GTimeZone corresponding to the given constant offset from UTC, in seconds.
Creates a #GTimeZone corresponding to UTC.