formatTimeZoneOffset function

String formatTimeZoneOffset(
  1. Duration offset
)

Format timezone offset for PDF display (e.g., "+1100", "-0500", "+0000").

Implementation

String formatTimeZoneOffset(Duration offset) {
  final hours = offset.inHours;
  final minutes = offset.inMinutes.remainder(60).abs();
  final sign = hours >= 0 ? '+' : '-';
  return '$sign${hours.abs().toString().padLeft(2, '0')}${minutes.toString().padLeft(2, '0')}';
}