getUtcDate static method
Converts UTC timestamp (milliseconds) to an int date in yyyyMMdd format.
Implementation
static int getUtcDate(int utcTimestampMillis) {
final date = DateTime.fromMillisecondsSinceEpoch(utcTimestampMillis, isUtc: true);
final formatter = DateFormat('yyyyMMdd');
return int.parse(formatter.format(date));
}