actually, 13 months is better than 14 months, here.
364 = (2^2)*7*13 = 13*28 = 13*(4*7).
that way, all 13 months have exactly four weeks.
yeah.
that's how you do this...
then, you get new years as a free day, and new years gets to be two days every four years (most of the time).
jagmeet singh must cut his beard.