Contents > CFML Reference > ColdFusion Functions > FirstDayOfMonth

FirstDayOfMonth

Determines the ordinal (day number, in the year) of the first day of the month in which a given date falls.

A number corresponding to a day-number in a year.

Date and time functions

FirstDayOfMonth(date)

Day, DayOfWeek, DayOfWeekAsString, DayOfYear, DaysInMonth, DaysInYear

When passing a date/time value as a string, you must enclose it in quotation marks. Otherwise, it is interpreted as a number representation of a date/time object.

<h3>FirstDayOfMonth Example</h3>

<cfoutput>
The first day of #MonthAsString(Month(Now()))#, #Year(Now())# was 
day #FirstDayOfMonth(Now())# of the year.
</cfoutput>

Contents > CFML Reference > ColdFusion Functions > FirstDayOfMonth

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