Variations include: — Thirty days hath September, April, June, and November; February eight-and-twenty all alone, And all the rest have thirty-one: Unless that leap-year doth combine, And give to February twenty-nine. — Return from Parnassus (London, 1606). — Thirty days hath September, April, June, and November; All the rest have thirty-one Excepting February alone: Which hath but twenty-eight, in fine, Till leap year gives it twenty-nine. — Thirty days has September, April, June, and November;https://en.wikiquote.org/wiki/Time