It sort of looks like you're trying to use the dateplot library, but as described in the manual, you need to specify a date, not just the time:
Note also that it should be date coordinates in=x, not Time coordinates in=x. After adding a date to the input file, and adjusting the values for xmin/xmax accordingly:
As frougon mentions, your code is far from complete. Maybe the following goes in the right direction.