byIdentifier static method
Gets timezone by identifier, e.g., 'Africa/Cairo'.
Implementation
static DHUTimezone? byIdentifier(
String timezone, [
Map<String, Map<String, dynamic>>? rawData,
]) {
final tz = (rawData ?? getTimezonesRawData())[timezone];
if (tz == null) return null;
return DHUTimezone.fromMap(tz);
}