Add months to a date

Dates are represented as date serial numbers.
You can add a certain number of months to an existing date by adding the corresponding number of days in that month.

1=TODAY() = Thursday 01 September 2022
2=NOW() = Thursday 01 September 2022 06:04:29
3=EDATE(A1,1) = 44835
4=EDATE(A1,3) = Thursday, 01 December, 2022 12:00 AM
5=DATE(YEAR(A1),MONTH(A1)+3+1,0) = Saturday, 31 December, 2022 12:00 AM
6=DATE(YEAR(A1),MONTH(A1+3),MIN(DAY(A1),DAY(A5))) = Thursday, 01 September, 2022 12:00 AM

Cell "A1" displays the current date. Custom format "dddd dd mmmm yyyy".
Cell "A2" displays the current date and time. Custom format "dddd dd mmmm yyyy hh:mm:ss".
All these cells have been formatted with the custom number format "dd dddd mmmm yyyy".

Built-in Functions

DATE - The date as a date serial number given a year, month, day.
DAY - The day as an integer given a date serial number.
EDATE - The date serial number that is a certain number of months before or after a date.
MIN - The smallest value in a list or array of numbers.
MONTH - The month as an integer given a date serial number.
NOW - The date serial number of the current system date and time.
TODAY - The date serial number representing today's date.

Related Formulas

Add days to a date including weekends
Add weeks to a date
Add years to a date
Subtract months from a date
Number of days in a particular month
Number of months between 2 dates
Return the number corresponding to a given month

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