WEEKNUM function - Zoho Sheet - Help Guide

WEEKNUM

Returns the number representing the week of the year for a given date.

 

Syntax

 

WEEKNUM(date; [mode])

date: The date for which you want to find the week number. E.g. "2/3/2020"

mode: Determines the numbering system to use. Defaults to 1 if omitted.

 

mode

Week begins on

System

1

Sunday

1

2

Monday

1

11

Monday

1

12

Tuesday

1

13

Wednesday

1

14

Thursday

1

15

Friday

1

16

Saturday

1

17

Sunday

1

21

Monday

2

 

Examples

 

Formula

Result

=WEEKNUM("2/3/2020";2)

6

=WEEKNUM("3/5/2020";21)

10

=WEEKNUM("12/31/2020")

53


Get a hands-on experience of the function in the embedded range below. 



Possible Errors

 

Errors

Meaning

#N/A!

  • The function could not find the value it was asked to look for. Commonly occurs in VLOOKUP and similar functions.

#NAME!

  • The function name is incorrect or invalid.

  • The given defined name (if any) is invalid.

  • There is a typo in the defined name used in the function.

  • Double quotes are missing for text values in the function.

  • Colon missing in a cell range reference.

#VALUE!

  • The given argument's data type is incorrect or invalid.
    For example, the function =DATE(A1:A3) will return a #VALUE error when a text value is present in the range.

#REF!

  • The given cell reference is incorrect or invalid. This error may occur when a cell/range has been deleted, moved, or pasted over.

 

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