firstDayOfNextYear static method
Returns DateTime that represents a beginning of the first day of the next year.
Example: (2020, 3, 9, 15, 16) -> (2021, 1, 1, 0, 0, 0, 0).
Implementation
static DateTime firstDayOfNextYear(DateTime dateTime) {
return _date(dateTime.isUtc, dateTime.year + 1, 1, 1);
}