DART

flutter date time to timestamp

DateTime currentPhoneDate = DateTime.now(); //DateTime

Timestamp myTimeStamp = Timestamp.fromDate(currentPhoneDate); //To TimeStamp

DateTime myDateTime = myTimeStamp.toDate(); // TimeStamp to DateTime

print("current phone data is: $currentPhoneDate");
print("current phone data is: $myDateTime");

how to convert timestamp to datetime in dart

Timestamp time; //from firebase
DateTime.fromMicrosecondsSinceEpoch(time.microsecondsSinceEpoch)

flutter timestamp to datetime

Timestamp t = document['timeFieldName'];
DateTime d = t.toDate();
print(d.toString()); //2019-12-28 18:48:48.364

flutter timestamp to datetime

DateFormat.yMMMd().add_jm().format(myDateTime);

flutter timestamp to datetime

Map<String, dynamic> map = docSnapshot.data()!;
DateTime dt = (map['timestamp'] as Timestamp).toDate();

convert timestamp to millisecond in dart

void main() {
String test = "10:12:23.24";
String hr = test.split(":")[0];
// print(hr);
String minutes = test.split(":")[1];
// print(minutes);
String seconds = test.split(":")[2].split(".")[0];
// print(seconds);
String milliseconds = test.split(":")[2].split(".")[1];
// print(milliseconds);

Duration duration = Duration(
  hours: int.tryParse(hr) ?? 0,
  minutes: int.tryParse(minutes) ?? 0,
  seconds: int.tryParse(seconds) ?? 0,
  milliseconds: int.tryParse(milliseconds) ?? 0);
  print(duration.inMilliseconds);
}