# DATE AND TIME `default del` ## date `date type` -> error should be 0 -> stack should be "number" `del` ## time `time type` -> error should be 0 -> stack should be "number" `del` ## ticks (1) `ticks type` -> error should be 0 -> stack should be "number" `del` ## ticks (2) `ticks ticks - 0 <=` -> stack should be 1 `del`