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var timestamp = DateTime.now().millisecondsSinceEpoch.toString()
print(timestamp);
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void main() {
print(new DateTime.now().millisecondsSinceEpoch);
}
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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");