1 month = 30.436875 days. If you set checked the leap year, 1 month will assumed as 30.5 days (assuming one year has 366 days). How many days in 3 months? There are 91.31 days in 3 months. How many days in 5 months? There are 152.18 days in 5 months. How many days in 6 months? There are 182.62 days in 6 months. How many days in 9 months?

