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DaysInMonth
Last update:
May 18, 2026
Description
Determines the number of days in a month.
Returns
The number of days in the month in Date.
Category
Function syntax
DaysInMonth(date)See also
Parameters
Parameter | Description |
date | Date/time object, in the range 100 AD-9999 AD. |
Usage
When passing a date/time object as a string, enclose it in quotation marks. Otherwise, it is interpreted as a numeric representation of a date/time object.
You can pass the Now function or the CreateDate function as the date parameter of this function; for example: #DaysInMonth(CreateDate(2001, 3, 3))# |
Example
<cfscript>
Date1 = "{ts '2018-12-06 12:13:50'}";
Date2 = "{ts '2018-02-06 12:13:50'}";
DaysInMonth= DaysInMonth(Date1)
DaysInMonth1= DaysInMonth(Date2)
writeOutput(Date1 & "<br/>")
writeOutput("Number of days in this month is " & DaysInMonth & "<br/>")
writeOutput(Date2 & "<br/>")
writeOutput("Number of days in this month is " & DaysInMonth1 & "<br/>")
</cfscript>Output
{ts '2018-12-06 12:13:50'}
Number of days in this month is 31
{ts '2018-02-06 12:13:50'}
Number of days in this month is 28
Number of days in this month is 31
{ts '2018-02-06 12:13:50'}
Number of days in this month is 28
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