String "1134" converts to: "11:34:00"
String "11:34" converts to: "11:34:00"
String "11.34" converts to: "11:34:00"
String "113427" converts to: "11:34:27"
String "11:34:27" converts to: "11:34:27"
String "11.34.27" converts to: "11:34:27"
PASS hour_parse (exit status: 0)