Days in each month

28–31days per month in 2026

A common year. February has 28 days.

Gregorian calendar. Month lengths are calculated for the chosen year.

How this count works

Choose a year to check February. The other months keep the same lengths from year to year. The bars compare the month lengths on the same scale.

These are Gregorian calendar months. A month as a duration is not a fixed number of days; use a start date when adding months.

See how we count for the calendar conventions behind the answer.

To add calendar months to a date, use the date calculator.

To find a date’s numbered position in the year, use day of the year.

In 2028, February has 29 days. All the months together contain 366 days.