in this tutorial, it introduces formulas to add months to a given date in Excel, and explains how the formulas work.
Formula 1
Generic formula:
DATE(YEAR(date),MONTH(date))+months,DAY(date)))
Arguments
Date: the date you want to add months to.
Months: a whole number which represents the number of months you want to add. It adds months to dates while the argument months is a positive value, and it subtracts months from the given date while the argument months is negative.
Return value
Return a value in date format.
How this formula work
Take an instance, to add months to the date in cell B3, and the number of months is placed in cell C3, please use the formula as below:
=DATE(YEAR(B3),MONTH(B3)+C3,DAY(B3))
Press Enter key to get the result.
Explanation
YEAR, MONTH and DAY functions separately get the year, month and day as relative integers from the given date.
Date function is used to create a date based on the given year, month, and day.
Formula 2
Generic formula:
EDATE(Sart_date,months)
Arguments
Start_date: the date you want to add months to.
Months: a whole number which represents the number of months you want to add. It adds months to dates while the argument months is a positive value, and it subtracts months from the given date while the argument months is negative.
Return value
Return a seriealn number value.
How this formula work
For example, to add months to the date in cell B8, and the number of months is placed in cell C8, please use the formula as below:
=EDATE(B8,C8)
Or directly use the number in the formula
=EDATE(B8,20)
Press Enter key to get the date in serial number format.
Explanation
There are 24 hours a day, and one hour is 1/24 day.
Remark
If you want to subtract the hours from time, please use below formula
MOD(Start_time-hours/24,1)
For example, there is a time in cell B18, the number of hours you want to subtract is displayed in cell C18, please use below formula:
=MOD(B18-C18/24,1)
Or
=MOD(B18-12/24,1)
Press Enter key then the result is shown.
Then right click at the serial number, choose Format Cells from the context menu, then in the pipping Format Cells dialog, choose Date in Category list under Number tab, and select one type of date formats you want the result displayed.
Click OK, then the serial number is displayed in date format.
Note:
Excel stores dates as sequential serial numbers so that they can be used in calculations. By default, January 1, 1900 is the serial number 1. In this case, serial number 44219 means the day is 44219 days after January 1, 1900, and it is 1/23/2021.
Explanation
The EDATE function is used to add months to a date, for more details about this function, please go to this article Excel EDATE Function.
Add Hours Minutes Seconds To Time Supposing there is a list of time values in Excel, now you want to add 3 hours 45 minutes and 20 seconds to the time values, Excel provides two formulas to help you.
Extract Or Get Date Only From The Datetime In Excel To extract only date from a list of datetime cells in Excel worksheet, the INT, TRUNC and DATE functions can help you to deal with this job quickly and easily.
Add Minutes To Time This tutorial provides formulas and explains how to add minutes to time in Excel.
Get Work Hours Between Two Dates In Excel The NETWORKDAYS function in Excel can help you to get the net workdays between two dates, and then multiply the number of working hours per workday to get the total work hours.
Relative Functions
Excel Date Function DATE function can help us to combine year, month and day numbers from separate cells to a valid date.
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