Calendar Probability Puzzle
Calculating the Probability of 5 Sundays in October

Learn how to calculate the probability of having 5 Sundays in October based on calendar years.

Unusual Odds in Leap Year
Understanding the Probability of 53 Mondays or Saturdays in a Leap Year

Explore the probability of having 53 Mondays or Saturdays in a leap year due to the extra day in February.

53 Mondays Probablity
Understanding the Probability of 53 Mondays in a Non-Leap Year

Learn the probability of having 53 Mondays in a non-leap year and how it affects your schedule.