February of course !
February is the only month that changes number of days (Leap Year). January always has 31 days.
There is one month of February in every year, whether it is a leap year or not. The difference is not the month, it is the number of days in the month of February: 28 days in normal years, 29 days in leap years.
31, March always has 31 days in it. February is the only month that changes length due to the Leap Year operation.
There are 30 days in April. The only month that changes is February, which is usually 28 days. In leap year, February has 29 days.
the feburary the 2nd month increases by one day in leap year
February
February has only 28 days (29 in a leap year).
March has 31 days every year, and does not change in a leap year. February is the only month that changes, adding the 366th leap day as February 29.
In non-leap years, February has 28 days. 28 is a multiple of 4.
About 6 months (exactly 6 months in a leap year of 366 days). There is no fixed number of days in a month, but the average is 30.4 days a month.
The same as in a leap year - 30 days. This might help :- 30 days have September, April ,June and November, All the rest have 31 Excepting February alone, which has 28 days clear, And 29 in each Leap Year
30 This is a leap year with 366 days. 366/12=30.5