do some math on lengths

main/main.go

@@ -30,9 +30,13 @@ func main() {
 			events := cal.Events()
 			for k := range len(events) {
 				name := events[k].GetProperty(ics.ComponentProperty(ics.PropertySummary)).Value
-				date, _ := events[k].GetStartAt()
+				start, _ := events[k].GetStartAt()
+				end, _ := events[k].GetEndAt()
+				time := end.Sub(start)
 				fmt.Printf("\t\tEvent name: %s\n", name)
-				fmt.Printf("\t\t\tEvent date: %s\n", date.UTC().String())
+				fmt.Printf("\t\t\tEvent start date: %s\n", end.UTC().String())
+				fmt.Printf("\t\t\tEvent length date: %s\n", time.String())
+
 			}
 		}
 	}