Quick Guide: How to Determine Whether a Month Has 30 or 31 Days

Learn the easy knuckle trick to quickly determine if a month has 30 or 31 days. Perfect for quick reference!

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To easily know if a month has 31 or 30 days, use the knuckle trick: Make a fist and count the months on your knuckles and the dips between them. Each knuckle represents a 31-day month, and each dip represents a 30-day month (except February).

FAQs & Answers

  1. What is the knuckle trick for counting days in months? The knuckle trick involves making a fist and using the knuckles to represent 31-day months and the dips for 30-day months, except for February.
  2. Which month has 28 days? February is the only month that has 28 days, except in leap years when it has 29.
  3. How do you remember the number of days in each month? You can use the knuckle trick or a rhyme to remember the number of days in each month.
  4. Why is February different from other months? February has fewer days due to historical calendar adjustments, making it the shortest month.