offsetText static method
Current offset as text. UTimezone.offsetText() → "+03:30"
Implementation
static String offsetText() {
final Duration offset = DateTime.now().timeZoneOffset;
final String sign = offset.isNegative ? "-" : "+";
final int minutes = offset.inMinutes.abs();
return "$sign${(minutes ~/ 60).twoDigits}:${(minutes % 60).twoDigits}";
}