Thirty days have September,

9月有30天，

April, June and November.

4月，6月和11月也有30天。

All the rest have thirty-­one,

其余的月份都有31天，

Excepting February alone,

唯独除了2月，

Which has but twenty-­eight days clear,

显然2月只有28天，

And twenty­-nine in each leap year.

每逢闰年，2月有29天。