firstDayOfMonth
Determines the ordinal (day number, in the year) of the first day of the month in which a given date falls.
firstDayOfMonth(date) → returns numeric
Member Function Syntax
date.firstDayOfMonth()
Argument Reference
date date Required
Date or date/time object.
Compatibility
ColdFusion:
Member function is available in CF11+.
Lucee:
Member function is available in Lucee4.5+.
Examples Sample code invoking the firstDayOfMonth function
To determine the ordinal (day number, in the year).
<cfset Date = CreateDate(2012, 12, 12)>
<cfset result = firstDayOfMonth(Date)>
<cfoutput>#result#</cfoutput>Expected Result: 336
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Licensed under the MIT License.
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https://cfdocs.org/firstdayofmonth
