GTDTWcal

it just makes calendars

Simple to use (I think). Select the month and year, then hit "go".

Paste that text into your GTDTW and you're good to go.

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 20102011201220132014201520162017
print side-by-side?

example snapshot of the rendered output