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How to increment date by 1 month, 1 year or 7 days in Excel?

The Autofill handle is convenient while filling dates in ascending or descending order in Excel. But in default, the dates are increased by one day, how can you increment date by 1month, 1 year or 7 days as below screenshot shown?
doc increment date by month 1

Increment date by month/year/7days with Fill Series utility

Add months/years/days to date with formula

Add months/years/days to date with Kutools for Excelgood idea3


Increment date by month/year/7days with Fill Series utility

With the Fill Series utility, you can increment date by 1 month, 1 year or a week.

1. Select a blank cell and type the starting date.
doc increment date by month 2

2. Select a range including starting date, and click Home > Fill > Series. See screenshot:

doc increment date by month 3 doc increment date by month 4

3. In the Series dialog, do the following options.
doc increment date by month 5

1)Sepcify the filling range by rows or columns

2)Check Date in Type section

3)Choose the filling unit

4)Specify the increment value

4. Click OK. And then the selection have been filled date by month, years or days.
doc increment date by month 1


Add months/years/days to date with formula

If you want to add months, years or days to a date or dates, you can apply one of below formulas as you need.

Add years to date, for instance, add 3 years, please use formula:

=DATE(YEAR(A2)+3,MONTH(A2),DAY(A2))
doc increment date by month 6

Add months to date, for instance, add 2 months to date, please use formula:

=EDATE(A2,2)
doc increment date by month 6

=A2+60
doc increment date by month 6

Add months to date, for instance, add 2 months to date, please use formula:

Tip:

When you use the EDATE function to add months, the result will be shown as general format, a series number, you need to format the result as date. 


Add months/years/days to date with Kutools for Excel

With Kutools for Excel's Date & Time Helper, you can quickly add months, years or weeks or days to date.
date time helper

Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. 

After installing Kutools for Excel, please do as below:(Free Download Kutools for Excel Now!)

1. Select a blank cell which will place the result, click Kutools > Formula Helper > Date & Time helper, then select one utility as you need from the list. See screenshot:
doc increment date by month 8

2. Then in the Date & Time Helper dialog, check Add option, and select the date you want to add years/months/days into the textbox of Enter a date or select a date formatting cell section, then type the number of years, months, days, even weeks into the Enter numbers or select cells with contain values you want to add section. You can preview the formula and result in Result section. See screenshot:
doc kutools date time helper 2

3. Click OK. And drag the fill handle over the cells you want to use this formula. See screenshot:
doc kutools date time helper 3 doc kutools date time helper 4

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    pt0000all@juno.com · 4 months ago
    I have tried the above formula and found it to work. Most of the time.
    The problem with =DATE(YEAR(A1),MONTH(A1)+1,DAY(A1)) is that not all months have the same number of days.
    E.g. cell A1 has the date 1/31/2020. If we follow the formula above then we have: =DATE(YEAR(A1),MONTH(A1)+3,DAY(A1))
    However, this gives us 5/1/2021 (since April does not have 31 days).
    Is there a way (meaning formula) to work around this problem?
    • To post as a guest, your comment is unpublished.
      Sunny · 4 months ago
      Thanks for your remider, I have adjusted the formulas.
  • To post as a guest, your comment is unpublished.
    gada · 1 years ago
    i wana go back one month
    • To post as a guest, your comment is unpublished.
      Sunny · 1 years ago
      Hi, gada, if you want to go back one month, just use -1 in the formula, like this =DATE(YEAR(A1),MONTH(A1)-1,DAY(A1)), A1 is the cell contain original date, -1 is minus one month from the given date, if you want to go back 3 months, use -3.
  • To post as a guest, your comment is unpublished.
    Bob · 3 years ago
    The formula will not work for February if you today() occurs on the 29th or 30th... =DATE(YEAR(B8),MONTH(B8)+1,DAY(B8-2)) subtract 2 in the day
    • To post as a guest, your comment is unpublished.
      Sunny · 2 years ago
      Yes, there are some shortcoming by using the formula because of the different number of days in months.