Commit 8b921bd

@@ -24,4 +24,10 @@ class DateRange with _$DateRange {
   ///
   /// See [DateTime.difference] for more details.
   Duration get duration => end.difference(start);
+
+  /// Gets the [start] timestamp in seconds since epoch.
+  int get startStamp => start.millisecondsSinceEpoch ~/ 1000;
+
+  /// Gets the [end] timestamp in seconds since epoch.
+  int get endStamp => end.millisecondsSinceEpoch ~/ 1000;
 }

@@ -15,4 +15,11 @@ void main() {
     final range = DateRange(start: timeA, end: timeB);
     expect(range.duration, equals(Duration(hours: -21, seconds: -42)));
   });
+  test('should determine start and end time in seconds since epoch', () {
+    final timeA = DateTime.fromMillisecondsSinceEpoch(0);
+    final timeB = timeA.add(Duration(seconds: 283497));
+    final range = DateRange(start: timeA, end: timeB);
+    expect(range.startStamp, 0);
+    expect(range.endStamp, 283497);
+  });
 }