▶ 날짜 더하기 예제 소스 void main() { DateTime today = DateTime.now(); // DateTime dt = DateTime(2024, 8, 17); print('DateTime: $today'); DateTime dt2 = today.add(Duration(days: 1)); print(dt2); DateTime dt3 = today.add(Duration(hours: 2)); print(dt3); DateTime dt4 = today.add(Duration(minutes: 3)); print(dt4); DateTime dt5 = today.add(Duration(days: 1, hours: 2, minutes: 3)..