Just made this for fun.
This util makes output like:

/* Current day and date */

#define CURRENT_DAY  "Monday"
#define CURRENT_DATE "1-Feb-93"

I use it in s:user-startup with "MakeDayDateH >ENV:current_date.h"
Source also included. Enjoy!

-MKsa ( k114636ee.tut.fi )

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 1134    1576  72.0% -lh5- f044 Feb  1  1993 MakeDayDateH/MakeDayDateH
[generic]                  828    1666  49.7% -lh5- 3308 Feb  1  1993 MakeDayDateH/makedaydateh.c
[generic]                   34      34 100.0% -lh0- d2d7 Feb  1  1993 MakeDayDateH/makedaydateh.h
[generic]                  116     141  82.3% -lh5- 450c Feb  1  1993 MakeDayDateH/makedaydateh.lnk
[generic]                  431     580  74.3% -lh5- c3d9 Feb  1  1993 MakeDayDateH/makedaydateh.o
[generic]                  233     318  73.3% -lh5- 5850 Feb  1  1993 MakeDayDateH/MakeDayDateH.readme
[generic]                  103     137  75.2% -lh5- 8f79 Jun 18  1994 MakeDayDateH/SCOPTIONS
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         7 files    2879    4452  64.7%            Feb  2  1993