Dates function

How to use MONTH in Excel

The month of a date, 1–12.

Syntax

MONTH(serial_number)
serial_numberA date or cell

Example

Here’s MONTH on a small table of orders. The highlighted cells are the ones the formula reads.

G2
fx
=MONTH(DATE(2026,11,2))
A
B
C
D
E
F
1
Order
Region
Rep
Units
Price
Revenue
2
1001
East
Maya
4
12
48
3
1002
West
Omar
2
30
60
4
1003
East
Lena
7
12
84
5
1004
North
Maya
1
45
45
6
1005
West
Lena
5
30
150
7
1006
East
Omar
3
18
54
8
1007
North
Lena
6
12
72
9
1008
West
Maya
8
18
144
11Result of =MONTH(DATE(2026,11,2))

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Common mistakes with MONTH

It returns a number

MONTH gives 1–12. For the name, use TEXT(A2,"mmmm").

Different years share months

Group by year and month together, or January 2025 and January 2026 get mixed.

What the error messages mean

Type these slips into Gridwise and this is the feedback you get:

Leaving off the closing bracket

=MONTH(DATE(2026,11,2)

Parentheses don’t match. You have 2 opening and 1 closing parentheses. Every ( needs a ).

Questions

What does the MONTH function do in Excel?

The month of a date, 1–12. The syntax is MONTH(serial_number).

Why is my MONTH formula giving the wrong answer?

It returns a number: MONTH gives 1–12. For the name, use TEXT(A2,"mmmm"). Different years share months: Group by year and month together, or January 2025 and January 2026 get mixed.

Does MONTH work in Google Sheets?

Most Excel functions, including the core ones on this page, work the same way in Google Sheets. A few newer functions arrived in Sheets later or behave slightly differently, so test it on your own data.

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