DateTime.utc constructor Null safety

DateTime.utc(
  1. int year,
  2. [int month = 1,
  3. int day = 1,
  4. int hour = 0,
  5. int minute = 0,
  6. int second = 0,
  7. int millisecond = 0,
  8. int microsecond = 0]
)

Constructs a DateTime instance specified in the UTC time zone.

var moonLanding = new DateTime.utc(1969, 7, 20, 20, 18, 04);

When dealing with dates or historic events prefer to use UTC DateTimes, since they are unaffected by daylight-saving changes and are unaffected by the local timezone.

Implementation

DateTime.utc(int year,
    [int month = 1,
    int day = 1,
    int hour = 0,
    int minute = 0,
    int second = 0,
    int millisecond = 0,
    int microsecond = 0])
    : this._internal(year, month, day, hour, minute, second, millisecond,
          microsecond, true);