WEEKWw. Format

Writes a week number in decimal format by using the W algorithm.

Category:	Date and Time
Alignment:	left

Syntax

Details

Comparisons

Example

Syntax

WEEKWw.

Syntax Description

w: specifies the width of the output field.

Default:11

Range:3–200

Details

The WEEKWw. format writes the various formats depending on the specified width. Algorithm W calculates the SAS date value using the number of the week within the year (Monday is considered the first day of the week). The number-of-the-week value is represented as a decimal number in the range 0–53, with a leading zero and maximum value of 53. For example, the fifth week of the year would be represented as 05.

Refer to the following table for widths, formats, and examples:

Widths	Formats	Examples
3-4	Www	w01
5-6	yyWww	03W01
7-8	yyWwwdd	03W0101
9-10	yyyyWwwdd	2003W0101
11-200	yyyy-Www-dd	2003-W01-01

Comparisons

The WEEKVw. format writes the week number as a decimal number in the range 01–53. Weeks beginning on a Monday and on week 1 of the year include both January 4th and the first Thursday of the year. If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of the last week of the preceding year. The WEEKWw. format writes the week number of the year as a decimal number in the range 00–53, with Monday as the first day of week 1. The WEEKUw. format writes the week number of the year (Sunday as the first day of the week) as a decimal number in the range 0–53, with a leading zero.

Example

sasdate = '01JAN2003'd;

Statements	Results
	----+----1----+
v=put(sasdate,weekw3.); w=put(sasdate,weekw5.); x=put(sasdate,weekw7.); y=put(sasdate,weekw9.); z=put(sasdate,weekw11.); put v; put w; put x; put y; put z;	W03 03W03 03W0003 2003W0003 2003-W00-03

Statements

Results

----+----1----+

v=put(sasdate,weekw3.);
w=put(sasdate,weekw5.);
x=put(sasdate,weekw7.);
y=put(sasdate,weekw9.);
z=put(sasdate,weekw11.);
put v;
put w;
put x;
put y;
put z;

W03
03W03
03W0003
2003W0003
2003-W00-03

WEEKWw. Format

Syntax

Syntax Description

Details

Comparisons

Example

See Also