@DOWI
@DOWI[mm-dd-yy]: Returns the day of the week for the specified date as an
integer (1 = Sunday, 2 = Monday, etc.). DATE uses the date format and
separators mandated by your country code (for example dd.mm.yy in Germany,
or yy-mm-dd in Japan). The year can be entered as a 4-digit or 2-digit
value. Two-digit years between 80 and 99 are interpreted as 1980 - 1999;
values between 00 and 79 are interpreted as 2000 - 2079.
Created using Inf-PHP v.2 (c) 2003 Yuri Prokushev
Created using Inf-HTML v.0.9b (c) 1995 Peter Childs