Days in Month

Days in Month problems ask for the number of days in a specific month of a given year. These problems test your knowledge of month lengths and leap year adjustments for February.

10Worksheets
200+Practice Questions
BeginnerDifficulty
30-45 minutesHours to Master

Introduction to Days in Month

Days in Month problems ask for the number of days in a specific month of a given year. These problems test your knowledge of month lengths and leap year adjustments for February.

Prerequisites

Month names and order Month length memorization (31, 30, 28/29) Leap year identification
Why This Matters: Days in Month problems appear in 1-2 questions in competitive exams. They test basic calendar facts and leap year application.

How to Solve Days in Month Problems

1

Step 1: Identify the month from the problem (by name or number)

2

Step 2: Recall the standard number of days for that month

3

Step 3: If the month is February, check if the year is a leap year

4

Step 4: For leap year February → 29 days, otherwise → 28 days

5

Step 5: For months with 31 days: January, March, May, July, August, October, December

6

Step 6: For months with 30 days: April, June, September, November

7

Step 7: Present the answer as a number

Pro Strategy: Memorize the month lengths using knuckle method or rhymes. Always check for February and leap year before answering.

Example Problem

Example 1: How many days are in February 2024? Solution: Step 1: Month = February Step 2: February normally has 28 days Step 3: 2024 is divisible by 4 and not by 100 → leap year Step 4: February 2024 has 29 days Answer: 29 Example 2: How many days are in October? Solution: October is a 31-day month Answer: 31

Pro Tips & Tricks

  • Knuckle method: Knuckles = 31 days, valleys between = 30 days (except February)
  • Rhyme: '30 days have September, April, June, and November'
  • All others have 31 except February
  • February: 28 days normally, 29 in leap years
  • Months with 31 days: Jan, Mar, May, Jul, Aug, Oct, Dec (7 months)
  • Months with 30 days: Apr, Jun, Sep, Nov (4 months)

Shortcut Methods to Solve Faster

Use knuckles of both hands to count months
Remember: 'Thirty days have September, April, June, and November'
All months except February have either 30 or 31 days
Leap year only affects February

Common Mistakes to Avoid

Forgetting that February has 29 days in leap years
Confusing 30-day months with 31-day months
Applying leap year rule to months other than February
Miscounting the number of 31-day months

Exam Importance

Days in Month is an important topic for various competitive exams. Here's how frequently it appears:

SSC CGL
1-2 questions
BANKING PO
1-2 questions
RAILWAYS RRB
1-2 questions
CAT
0-1 questions
INSURANCE
1-2 questions

Ready to Master Days in Month?

Start with Worksheet 1 and work your way up to expert level! Each worksheet includes:

20 practice questions
Detailed solutions
Step-by-step explanations
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