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WEEKNUM

Returns the week number of a specific date

Syntax

WEEKNUM(serial_number, [return_type])

Parameters

  • serial_number: Required. A date within the week
  • return_type: Optional. A number that determines on which day the week begins (1=Sunday default, 2=Monday, 11-17 various)

Example

=WEEKNUM("1/15/2024", 1)
Returns: NumberSince: Excel 2003