How to Instantly Know Which Months Have 31 Days

#### Example:

* **Knuckle (January)** = 31
* **Dip (February)** = 28/29
* **Knuckle (March)** = 31
* **Dip (April)** = 30
* … and so on.

When you reach the **last knuckle (July)**, **go back to the first knuckle again (August)**. Yes, **July and August are both on knuckles** — and they both have 31 days.

🎉 *It’s that easy — and always with you!*

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### 🧠 Trick #2: The Mnemonic Rhyme

If you prefer words over hand gestures, there’s a rhyme that’s been passed down for generations:

> **“Thirty days hath September,
> April, June, and November.
> All the rest have thirty-one,
> Except for February alone,
> Which has but twenty-eight in fine,
> Till leap year gives it twenty-nine.”**

It may sound old-fashioned, but it *works*. Memorize this little rhyme, and you’ll never question a month’s length again.

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### ✅ Quick Reference List (Just in Case)

| Month | Days |
| ——— | —– |
| January | 31 |
| February | 28/29 |
| March | 31 |
| April | 30 |
| May | 31 |
| June | 30 |
| July | 31 |
| August | 31 |
| September | 30 |
| October | 31 |
| November | 30 |
| December | 31 |

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### Final Thoughts

Whether you use your knuckles, a catchy rhyme, or both, remembering which months have 31 days doesn’t have to be a guessing game anymore. These simple memory tricks are fast, free, and always at your fingertips (literally!).

So the next time someone asks you how many days are in September, you’ll know exactly how to answer — instantly.

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Would you like this turned into a printable cheat sheet or visual infographic for kids or classrooms?