'date' does not like the -d flag? What am I missing?

CarlMGregory

[2.1-RELEASE][root@pfsense.localdomain]/root(21): date
Tue Oct 8 08:23:10 MST 2013
[2.1-RELEASE][root@pfsense.localdomain]/root(22): date -d '6 days ago'
usage: date [-jnu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]] …
[-f fmt date | [[[[[cc]yy]mm]dd]HH]MM[.ss]] [+format]

jimp

from date(1)

-d dst Set the kernel's value for daylight saving time. If dst is non-
zero, future calls to gettimeofday(2) will return a non-zero for
tz_dsttime.

CarlMGregory

Bah! Was looking at the UNIX man of date…

http://unixhelp.ed.ac.uk/CGI/man-cgi?date