FIRSTDAYOFMONTH |
Description Determines the ordinal (day number, in the year) of the first day of the month in which a given date falls.
Returns A number corresponding to a day-number in a year.
Category Date and time functions
Function syntax
    FirstDayOfMonth(date)
See also Day, DayOfWeek, DayOfWeekAsString, DayOfYear, DaysInMonth, DaysInYear
Parameters
Usage 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.
Example
    <h3>FirstDayOfMonth Example</h3>

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

DATE |

Date/time object, in the range 100 AD-9999 AD.