Start a new MODFLOW model and select "Days" as the time unit.
Screen capture of the Startup dialog box showing selection of "Days" as the model time units.
The model has 46 columns, 31 rows, and 1 layer. The top of the model has an elevation of 10 and the bottom elevation is zero. The grid cell size is 10.
Screen capture of the initial grid dialog box illustrating the initial grid setup.