What Is the Probability of Getting 52 Sundays in a Year?

Learn the probability of having 52 Sundays in a year, explained with simple weekly calendar logic and real-world frequency.

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Video transcript

Probability of getting 52 Sundays in a year: The probability is 1/7 or approximately 14.29%. In a year, there are normally 52 weeks and 1 extra day. If this extra day is a Sunday, there will be 52 Sundays. This scenario occurs in 1 out of 7 years.

Questions and answers

  1. How often does a year have 52 Sundays?

    A year has 52 Sundays when the extra day of the year falls on a Sunday, which happens approximately once every seven years.

  2. Why is the probability of 52 Sundays 1/7?

    Because there are 7 days in a week, the chance that the extra day after 52 full weeks is a Sunday is 1 in 7.

  3. Can there be 53 Sundays in a year?

    Yes, in a leap year or depending on the day the year starts, there can be 53 Sundays.