Print the month

 
The calendar
Few printers reach nearer than a quarter inch; closer than that is usually cropped.

Type

Ink

The day numbers and the activities.
The lines around the cells. Grey separates as well as black at a fraction of the ink.
The time in front of each activity.

Email this sheet

Commas, semicolons or new lines — and pasting Jane Doe <[email protected]> straight from a mail client works, the name is dropped. Up to 25 addresses.
Recent sends

        
Nothing is filled in and nothing is shaded — the sheet is the grid, the dates and the activities on white. Choosing Save as PDF as the destination is what makes it a file rather than a page.

The sheet asks for its own paper and for landscape, so the dialog should already have both. If it does not, set the paper there to match the one chosen above — a print dialog that has been left on Letter portrait will squeeze the whole month onto it.