Days in a Month Calculator
Find how many days are in any calendar month, accounting for leap years.
How to use this tool
- Enter year and month in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your days in month and the full breakdown beneath it.
Find how many days are in any calendar month, accounting for leap years.
Frequently asked questions
- How does February work?
- February has 28 days in a common year and 29 days in a leap year. The calculator handles this automatically.
- Which months have 30 days?
- April, June, September, and November each have 30 days.