Days in Month Calculator
Choose a month and year to see how many days it has. February is leap-year aware, and the tool also tells you which weekday the 1st lands on.
How to find the number of days in a month
- Enter the year and pick the month.
- Read the number of days for that month.
- Check the starting weekday and whether it is a leap year.
Examples
February in a leap year
February 2024
29 days, leap year, starts on a Thursday.
Frequently asked questions
How many days are in February?
February has 28 days in a common year and 29 days in a leap year. For example, February 2024 has 29 days while February 2023 has 28.
Which months have 31 days?
January, March, May, July, August, October, and December all have 31 days. April, June, September, and November have 30 days.
How do you know if a year is a leap year?
A year is a leap year if it is divisible by 4, except for century years, which must also be divisible by 400. So 2000 is a leap year but 1900 is not.
What weekday does the month start on?
The tool computes the weekday of the 1st using a standard calendar algorithm, so it is exact for any Gregorian date you enter.
Does this work for any year?
Yes. Enter any year and the calculation follows the Gregorian calendar rules, including the leap-year exceptions for century years.
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