Scripting Guide - SAS

110 Types of Data Chapter 6
Date-Time Functions and Formats
Table 6.2 Date-Time Functions (Continued)
Function
As Date(expression)
Date DMY(day, month,
year)
Date MDY(month, day,
year)
Day Of Week(date)
Day Of Year(date)
Day(date)
Format(date,
"format")
Hour(datetime)
In Days(n)
In Hours(n)
In Minutes(n)
Explanation
Formats a number or expression so that it shows as a date in a text
window. For example:
x = As Date(8Dec2000 + inDays(2));
shows as:
10Dec2000
Returns the specified date expressed as the number of seconds since
midnight, 1 January 1904. For example, the second Leap Day of the
second millennium is DateDMY(29,2,2004), which returns
3160857600.
Returns the specified date expressed as the number of seconds since
midnight, 1 January 1904. For example, the second Leap Day of the
second millennium is DateMDY(2,29,2004), which returns
3160857600.
Returns an integer representation for the day of the week of the date
supplied. Weeks are Sunday–Saturday.
Returns an integer representation for the day of the year of the date
supplied.
Returns an integer representation for the day of the month of the date
supplied.
Returns the value in the format specified in the second argument. Most
typically used for formatting datetime values from a number of seconds to
a formatted date. Format choices are those shown in the Column Info
dialog box; also see Table 6.3 “How JMP Interprets Two-Digit Years” on
page 115.
Returns an integer representation for the hour part of the date-time value
supplied.
These functions return the number of seconds per n minutes, hours, days,
weeks, or years. Divide by these function to express an interval in seconds
as an interval in other units.
In Weeks(n)
In Years(n)