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DAY Function (VisioShapeSheet)

Last modified: June 17, 2011

Applies to: Office 2013 | Visio 2013

In this article
Syntax
Remarks
Example 1
Example 2
Example 3

Returns an integer, 1 to 31, representing the day in datetime or expression. The DAY function uses the Gregorian calendar.

DAY("datetime"|expression[,lcid])

Parameters

Name

Required/Optional

Data Type

Description

datetime

Required

String

Any string commonly recognized as a date and time or a reference to a cell containing a date and time.

expression

Required

String

Any expression that yields a date and time.

lcid

Optional

Number

Specifies the locale identifier to be used in evaluating a non-local datetime. The locale identifier is a number described in the system header files.

Return Value

Integer

Any time component in datetime or expression is discarded.

No rounding is done. If datetime is missing or cannot be converted to a valid result, the function returns an error.

The DAY function also accepts a single number value for expression where the integer portion of the result represents the number of days since December 30, 1899.

DAY("May 30, 1997 15:45:24")

Returns 30.

DAY(DATEVALUE("May 30, 1997")+7 ed.)

Returns 6.

DAY(35580.6337)

Returns 30.

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