You don't need to include February in the "30 days has September" poem (opens in new tab)

In reference to for This poem is a mnemonic. The mnemonic is used to answer the question "how many days are in this month?" If it's February, you're never going to be asking that question, because you already know how many days are in February. (Or if you don't, you need to look up whether the current year is a leap year, or find a different mnemonic; the poem won't help you.) So for example, it's June. I might not remember how many days are in June. So I'll quickly recite in my head (or alou...