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Because there aren't a number of days in a year that make up an even number of weeks. The date has a different day of the week, every year.
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∙ 14y ago
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When is Ben's birthday?
on what day of the week will my 100th birthday fall?
What day of the week will your birthday fall on in 2055?
It will fall on a Tuesday.
When is Ben Rowswell's birthday?
on what day of the week will my 100th birthday fall?
What day will your 65 birthday fall on?
Your birthday will fall on a day of the week that depends entirely on what the date of your birth was.
What day of the week will your birthday not fall on?
It will fall on every day of the week. because each year, the day of your birthday will increase by one. ex. if my birthday was on a tuesday this year, next year it will be on a wensday. i have no idea how it works but i have experienced everyday of the week on my birthday :)
What day of the week will your 100th birthday fall on if your birthday is February 11 1993?
Wednesday
What day of the week will your 100th birthday fall on if your birthday is July 30 1999?
Thursday
What is the probability that your birthday next year will fall on a week day?
74 %
How often does the same date fall on the same day of the week?
how often does the same date fall on the same day of the week?
Why doesn't the same date fall on the same day of the week every year?
This is because there are 365 days in a year. This number is not evenly divisible by 7 thus the same date will fall on the consecutive day of the week in the coming year. If however the upcoming year is a leap year the same date will fall 2 days after in the week.(e.g. If your birthday is on a Sunday one year the following year it will fall on a monday or if the upcoming year is a leap year it will be on a Tuesday. ASH, 11 years old.
What is probability that your birthday will fall on Sunday this year?
one in seven7 days a week
How often does your birthday fall on the same day of the week as when you were born?
The way to look at this probability is that it is equally likely for your birthday to fall on any given day of the week. There is a 1/7 chance it will land on Saturday. There is a 1/7 chance it will land on Sunday, and so on for all the other days. Taking this into account, it is clear that there is a 1/7 chance of your birthday falling on whatever day you were born.
